diff --git a/src/World.Net.UnitTests/Countries/CentralAfricanRepublicTest.cs b/src/World.Net.UnitTests/Countries/CentralAfricanRepublicTest.cs
new file mode 100644
index 0000000..36044fd
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/CentralAfricanRepublicTest.cs
@@ -0,0 +1,38 @@
+namespace World.Net.UnitTests.Countries
+{
+    public sealed class CentralAfricanRepublicTest
+    {
+        private const string CENTRAL_AFRICAN_REPUBLIC_NAME = "Central African Republic";
+        private const int CENTRAL_AFRICAN_REPUBLIC_STATE_COUNT = 17;
+        private const string CENTRAL_AFRICAN_REPUBLIC_OFFICIAL_NAME = "Central African Republic";
+        private const string CENTRAL_AFRICAN_REPUBLIC_NATIVE_NAME = "Ködörösêse tî Bêafrîka";
+        private const string CENTRAL_AFRICAN_REPUBLIC_CAPITAL = "Bangui";
+        private const int CENTRAL_AFRICAN_REPUBLIC_NUMERIC_CODE = 140;
+        private const string CENTRAL_AFRICAN_REPUBLIC_ISO2_CODE = "CF";
+        private const string CENTRAL_AFRICAN_REPUBLIC_ISO3_CODE = "CAF";
+        private const string CENTRAL_AFRICAN_REPUBLIC_CALLING_CODE = "+236";
+
+        [Fact]
+        public void GetCountry_ReturnsCorrectInformation_ForCentralAfricanRepublic()
+        {
+            // Arrange
+            CountryIdentifier existingCountryId = CountryIdentifier.CentralAfricanRepublic;
+
+            // Act
+            var country = CountryProvider.GetCountry(existingCountryId);
+
+            //Assert
+            Assert.Equal(existingCountryId, country.Id);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_NAME, country.Name);
+            Assert.NotNull(country.States);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_STATE_COUNT, country.States.Count());
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_OFFICIAL_NAME, country.OfficialName);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_NATIVE_NAME, country.NativeName);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_CAPITAL, country.Capital);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_NUMERIC_CODE, country.NumericCode);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_ISO2_CODE, country.ISO2Code);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_ISO3_CODE, country.ISO3Code);
+            Assert.Equal(CENTRAL_AFRICAN_REPUBLIC_CALLING_CODE, country.CallingCode);
+        }
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/ChadTest.cs b/src/World.Net.UnitTests/Countries/ChadTest.cs
new file mode 100644
index 0000000..3b5365a
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/ChadTest.cs
@@ -0,0 +1,38 @@
+namespace World.Net.UnitTests.Countries
+{
+    public sealed class ChadTest
+    {
+        private const string CHAD_NAME = "Chad";
+        private const int CHAD_STATE_COUNT = 23;
+        private const string CHAD_OFFICIAL_NAME = "Republic of Chad";
+        private const string CHAD_NATIVE_NAME = "Tchad";
+        private const string CHAD_CAPITAL = "N'Djamena";
+        private const int CHAD_NUMERIC_CODE = 148;
+        private const string CHAD_ISO2_CODE = "TD";
+        private const string CHAD_ISO3_CODE = "TCD";
+        private const string CHAD_CALLING_CODE = "+235";
+
+        [Fact]
+        public void GetCountry_ReturnsCorrectInformation_ForChad()
+        {
+            // Arrange
+            CountryIdentifier existingCountryId = CountryIdentifier.Chad;
+
+            // Act
+            var country = CountryProvider.GetCountry(existingCountryId);
+
+            //Assert
+            Assert.Equal(existingCountryId, country.Id);
+            Assert.Equal(CHAD_NAME, country.Name);
+            Assert.NotNull(country.States);
+            Assert.Equal(CHAD_STATE_COUNT, country.States.Count());
+            Assert.Equal(CHAD_OFFICIAL_NAME, country.OfficialName);
+            Assert.Equal(CHAD_NATIVE_NAME, country.NativeName);
+            Assert.Equal(CHAD_CAPITAL, country.Capital);
+            Assert.Equal(CHAD_NUMERIC_CODE, country.NumericCode);
+            Assert.Equal(CHAD_ISO2_CODE, country.ISO2Code);
+            Assert.Equal(CHAD_ISO3_CODE, country.ISO3Code);
+            Assert.Equal(CHAD_CALLING_CODE, country.CallingCode);
+        }
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/ChileTest.cs b/src/World.Net.UnitTests/Countries/ChileTest.cs
new file mode 100644
index 0000000..b122b73
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/ChileTest.cs
@@ -0,0 +1,38 @@
+namespace World.Net.UnitTests.Countries
+{
+    public sealed class ChileTest
+    {
+        private const string CHILE_NAME = "Chile";
+        private const int CHILE_STATE_COUNT = 16;
+        private const string CHILE_OFFICIAL_NAME = "Republic of Chile";
+        private const string CHILE_NATIVE_NAME = "Chile";
+        private const string CHILE_CAPITAL = "Santiago";
+        private const int CHILE_NUMERIC_CODE = 152;
+        private const string CHILE_ISO2_CODE = "CL";
+        private const string CHILE_ISO3_CODE = "CHL";
+        private const string CHILE_CALLING_CODE = "+56";
+
+        [Fact]
+        public void GetCountry_ReturnsCorrectInformation_ForChile()
+        {
+            // Arrange
+            CountryIdentifier existingCountryId = CountryIdentifier.Chile;
+
+            // Act
+            var country = CountryProvider.GetCountry(existingCountryId);
+
+            //Assert
+            Assert.Equal(existingCountryId, country.Id);
+            Assert.Equal(CHILE_NAME, country.Name);
+            Assert.NotNull(country.States);
+            Assert.Equal(CHILE_STATE_COUNT, country.States.Count());
+            Assert.Equal(CHILE_OFFICIAL_NAME, country.OfficialName);
+            Assert.Equal(CHILE_NATIVE_NAME, country.NativeName);
+            Assert.Equal(CHILE_CAPITAL, country.Capital);
+            Assert.Equal(CHILE_NUMERIC_CODE, country.NumericCode);
+            Assert.Equal(CHILE_ISO2_CODE, country.ISO2Code);
+            Assert.Equal(CHILE_ISO3_CODE, country.ISO3Code);
+            Assert.Equal(CHILE_CALLING_CODE, country.CallingCode);
+        }
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/ChinaTest.cs b/src/World.Net.UnitTests/Countries/ChinaTest.cs
new file mode 100644
index 0000000..717c142
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/ChinaTest.cs
@@ -0,0 +1,38 @@
+namespace World.Net.UnitTests.Countries
+{
+    public sealed class ChinaTest
+    {
+        private const string CHINA_NAME = "China";
+        private const int CHINA_STATE_COUNT = 34;
+        private const string CHINA_OFFICIAL_NAME = "People's Republic of China";
+        private const string CHINA_NATIVE_NAME = "中国";
+        private const string CHINA_CAPITAL = "Beijing";
+        private const int CHINA_NUMERIC_CODE = 156;
+        private const string CHINA_ISO2_CODE = "CN";
+        private const string CHINA_ISO3_CODE = "CHN";
+        private const string CHINA_CALLING_CODE = "+86";
+
+        [Fact]
+        public void GetCountry_ReturnsCorrectInformation_ForChina()
+        {
+            // Arrange
+            CountryIdentifier existingCountryId = CountryIdentifier.China;
+
+            // Act
+            var country = CountryProvider.GetCountry(existingCountryId);
+
+            //Assert
+            Assert.Equal(existingCountryId, country.Id);
+            Assert.Equal(CHINA_NAME, country.Name);
+            Assert.NotNull(country.States);
+            Assert.Equal(CHINA_STATE_COUNT, country.States.Count());
+            Assert.Equal(CHINA_OFFICIAL_NAME, country.OfficialName);
+            Assert.Equal(CHINA_NATIVE_NAME, country.NativeName);
+            Assert.Equal(CHINA_CAPITAL, country.Capital);
+            Assert.Equal(CHINA_NUMERIC_CODE, country.NumericCode);
+            Assert.Equal(CHINA_ISO2_CODE, country.ISO2Code);
+            Assert.Equal(CHINA_ISO3_CODE, country.ISO3Code);
+            Assert.Equal(CHINA_CALLING_CODE, country.CallingCode);
+        }
+    }
+}
diff --git a/src/World.Net/Countries/CentralAfricanRepublic.cs b/src/World.Net/Countries/CentralAfricanRepublic.cs
new file mode 100644
index 0000000..c785820
--- /dev/null
+++ b/src/World.Net/Countries/CentralAfricanRepublic.cs
@@ -0,0 +1,54 @@
+namespace World.Net.Countries
+{
+    internal sealed class CentralAfricanRepublic : ICountry
+    {
+        ///<inheritdoc/>
+        public CountryIdentifier Id => CountryIdentifier.CentralAfricanRepublic;
+
+        ///<inheritdoc/>
+        public string Name => "Central African Republic";
+
+        ///<inheritdoc/>
+        public string OfficialName { get; } = "Central African Republic";
+
+        ///<inheritdoc/>
+        public string NativeName { get; } = "Ködörösêse tî Bêafrîka";
+
+        ///<inheritdoc/>
+        public string Capital { get; } = "Bangui";
+
+        ///<inheritdoc/>
+        public int NumericCode { get; } = 140;
+
+        ///<inheritdoc/>
+        public string ISO2Code { get; } = "CF";
+
+        ///<inheritdoc/>
+        public string ISO3Code { get; } = "CAF";
+
+        ///<inheritdoc/>
+        public string CallingCode { get; } = "+236";
+
+        ///<inheritdoc/>
+        public IEnumerable<State> States { get; } =
+        [
+            new("Bamingui-Bangoran", "CF-BB", "Prefecture"),
+            new("Bangui", "CF-BGF", "Commune"),
+            new("Basse-Kotto", "CF-BK", "Prefecture"),
+            new("Haut-Mbomou", "CF-HM", "Prefecture"),
+            new("Haute-Kotto", "CF-HK", "Prefecture"),
+            new("Kémo", "CF-KG", "Prefecture"),
+            new("Lobaye", "CF-LB", "Prefecture"),
+            new("Mambéré-Kadéï", "CF-HS", "Prefecture"),
+            new("Mbomou", "CF-MB", "Prefecture"),
+            new("Nana-Grébizi", "CF-KB", "Economic Prefecture"),
+            new("Nana-Mambéré", "CF-NM", "Prefecture"),
+            new("Ombella-M'Poko", "CF-MP", "Prefecture"),
+            new("Ouaka", "CF-UK", "Prefecture"),
+            new("Ouham", "CF-AC", "Prefecture"),
+            new("Ouham-Pendé", "CF-OP", "Prefecture"),
+            new("Sangha-Mbaéré", "CF-SE", "Prefecture"),
+            new("Vakaga", "CF-VK", "Prefecture"),
+        ];
+    }
+}
diff --git a/src/World.Net/Countries/Chad.cs b/src/World.Net/Countries/Chad.cs
new file mode 100644
index 0000000..9beea8f
--- /dev/null
+++ b/src/World.Net/Countries/Chad.cs
@@ -0,0 +1,60 @@
+namespace World.Net.Countries
+{
+    internal sealed class Chad : ICountry
+    {
+        ///<inheritdoc/>
+        public CountryIdentifier Id => CountryIdentifier.Chad;
+
+        ///<inheritdoc/>
+        public string Name => nameof(Chad);
+
+        ///<inheritdoc/>
+        public string OfficialName { get; } = "Republic of Chad";
+
+        ///<inheritdoc/>
+        public string NativeName { get; } = "Tchad";
+
+        ///<inheritdoc/>
+        public string Capital { get; } = "N'Djamena";
+
+        ///<inheritdoc/>
+        public int NumericCode { get; } = 148;
+
+        ///<inheritdoc/>
+        public string ISO2Code { get; } = "TD";
+
+        ///<inheritdoc/>
+        public string ISO3Code { get; } = "TCD";
+
+        ///<inheritdoc/>
+        public string CallingCode { get; } = "+235";
+
+        ///<inheritdoc/>
+        public IEnumerable<State> States { get; } =
+        [
+            new("Bahr el Gazel", "TD-BG", "Province"),
+            new("Batha", "TD-BA", "Province"),
+            new("Borkou", "TD-BO", "Province"),
+            new("Chari-Baguirmi", "TD-CB", "Province"),
+            new("Ennedi-Est", "TD-EE", "Province"),
+            new("Ennedi-Ouest", "TD-EO", "Province"),
+            new("Guéra", "TD-GR", "Province"),
+            new("Hadjer-Lamis", "TD-HL", "Province"),
+            new("Kanem", "TD-KA", "Province"),
+            new("Lac", "TD-LC", "Province"),
+            new("Logone Occidental", "TD-LO", "Province"),
+            new("Logone Oriental", "TD-LR", "Province"),
+            new("Mandoul", "TD-MA", "Province"),
+            new("Mayo-Kebbi Est", "TD-ME", "Province"),
+            new("Mayo-Kebbi Ouest", "TD-MO", "Province"),
+            new("Moyen-Chari", "TD-MC", "Province"),
+            new("N'Djamena", "TD-ND", "Province"),
+            new("Ouaddaï", "TD-OD", "Province"),
+            new("Salamat", "TD-SA", "Province"),
+            new("Sila", "TD-SI", "Province"),
+            new("Tandjilé", "TD-TA", "Province"),
+            new("Tibesti", "TD-TI", "Province"),
+            new("Wadi Fira", "TD-WF", "Province"),
+        ];
+    }
+}
diff --git a/src/World.Net/Countries/Chile.cs b/src/World.Net/Countries/Chile.cs
new file mode 100644
index 0000000..9f3963b
--- /dev/null
+++ b/src/World.Net/Countries/Chile.cs
@@ -0,0 +1,53 @@
+namespace World.Net.Countries
+{
+    internal sealed class Chile : ICountry
+    {
+        ///<inheritdoc/>
+        public CountryIdentifier Id => CountryIdentifier.Chile;
+
+        ///<inheritdoc/>
+        public string Name => nameof(Chile);
+
+        ///<inheritdoc/>
+        public string OfficialName { get; } = "Republic of Chile";
+
+        ///<inheritdoc/>
+        public string NativeName { get; } = "Chile";
+
+        ///<inheritdoc/>
+        public string Capital { get; } = "Santiago";
+
+        ///<inheritdoc/>
+        public int NumericCode { get; } = 152;
+
+        ///<inheritdoc/>
+        public string ISO2Code { get; } = "CL";
+
+        ///<inheritdoc/>
+        public string ISO3Code { get; } = "CHL";
+
+        ///<inheritdoc/>
+        public string CallingCode { get; } = "+56";
+
+        ///<inheritdoc/>
+        public IEnumerable<State> States { get; } =
+        [
+            new("Aisén del General Carlos Ibañez del Campo", "CL-AI", "Region"),
+            new("Antofagasta", "CL-AN", "Region"),
+            new("Arica y Parinacota", "CL-AP", "Region"),
+            new("Atacama", "CL-AT", "Region"),
+            new("Biobío", "CL-BI", "Region"),
+            new("Coquimbo", "CL-CO", "Region"),
+            new("La Araucanía", "CL-AR", "Region"),
+            new("Libertador General Bernardo O'Higgins", "CL-LI", "Region"),
+            new("Los Lagos", "CL-LL", "Region"),
+            new("Los Ríos", "CL-LR", "Region"),
+            new("Magallanes y de la Antártica Chilena", "CL-MA", "Region"),
+            new("Maule", "CL-ML", "Region"),
+            new("Ñuble", "CL-NB", "Region"),
+            new("Región Metropolitana de Santiago", "CL-RM", "Region"),
+            new("Tarapacá", "CL-TA", "Region"),
+            new("Valparaíso", "CL-VS", "Region"),
+        ];
+    }
+}
diff --git a/src/World.Net/Countries/China.cs b/src/World.Net/Countries/China.cs
new file mode 100644
index 0000000..7fcd138
--- /dev/null
+++ b/src/World.Net/Countries/China.cs
@@ -0,0 +1,71 @@
+namespace World.Net.Countries
+{
+    internal sealed class China : ICountry
+    {
+        ///<inheritdoc/>
+        public CountryIdentifier Id => CountryIdentifier.China;
+
+        ///<inheritdoc/>
+        public string Name => nameof(China);
+
+        ///<inheritdoc/>
+        public string OfficialName { get; } = "People's Republic of China";
+
+        ///<inheritdoc/>
+        public string NativeName { get; } = "中国";
+
+        ///<inheritdoc/>
+        public string Capital { get; } = "Beijing";
+
+        ///<inheritdoc/>
+        public int NumericCode { get; } = 156;
+
+        ///<inheritdoc/>
+        public string ISO2Code { get; } = "CN";
+
+        ///<inheritdoc/>
+        public string ISO3Code { get; } = "CHN";
+
+        ///<inheritdoc/>
+        public string CallingCode { get; } = "+86";
+
+        ///<inheritdoc/>
+        public IEnumerable<State> States { get; } =
+        [
+            new("Anhui", "CN-AH", "Province"),
+            new("Beijing", "CN-BJ", "Municipality"),
+            new("Chongqing", "CN-CQ", "Municipality"),
+            new("Fujian", "CN-FJ", "Province"),
+            new("Gansu", "CN-GS", "Province"),
+            new("Guangdong", "CN-GD", "Province"),
+            new("Guangxi Zhuang", "CN-GX", "Autonomous Region"),
+            new("Guizhou", "CN-GZ", "Province"),
+            new("Hainan", "CN-HI", "Province"),
+            new("Hebei", "CN-HE", "Province"),
+            new("Heilongjiang", "CN-HL", "Province"),
+            new("Henan", "CN-HA", "Province"),
+            new("Hong Kong SAR", "CN-HK", "Special Administrative Region"),
+            new("Hubei", "CN-HB", "Province"),
+            new("Hunan", "CN-HN", "Province"),
+            new("Inner Mongolia", "CN-NM", "Autonomous Region"),
+            new("Jiangsu", "CN-JS", "Province"),
+            new("Jiangxi", "CN-JX", "Province"),
+            new("Jilin", "CN-JL", "Province"),
+            new("Liaoning", "CN-LN", "Province"),
+            new("Macau SAR", "CN-MO", "Special Administrative Region"),
+            new("Ningxia Huizu", "CN-NX", "Autonomous Region"),
+            new("Qinghai", "CN-QH", "Province"),
+            new("Shaanxi", "CN-SN", "Province"),
+            new("Shandong", "CN-SD", "Province"),
+            new("Shanghai", "CN-SH", "Municipality"),
+            new("Shanxi", "CN-SX", "Province"),
+            new("Sichuan", "CN-SC", "Province"),
+            new("Taiwan", "CN-TW", "Province"),
+            new("Tianjin", "CN-TJ", "Municipality"),
+            new("Xinjiang", "CN-XJ", "Autonomous Region"),
+            new("Xizang", "CN-XZ", "Autonomous Region"),
+            new("Yunnan", "CN-YN", "Province"),
+            new("Zhejiang", "CN-ZJ", "Province"),
+        ];
+    }
+}
diff --git a/src/World.Net/Helpers/CountryInitializer.cs b/src/World.Net/Helpers/CountryInitializer.cs
index 893be47..9df1f7c 100644
--- a/src/World.Net/Helpers/CountryInitializer.cs
+++ b/src/World.Net/Helpers/CountryInitializer.cs
@@ -45,11 +45,15 @@ public static Dictionary<CountryIdentifier, ICountry> Initialize()
             { CountryIdentifier.Cambodia, new Cambodia() },
             { CountryIdentifier.Cameroon, new Cameroon() },
             { CountryIdentifier.Canada, new Canada() },
-            { CountryIdentifier.CapeVerde, new CapeVerde() }, 
+            { CountryIdentifier.CapeVerde, new CapeVerde() },
             { CountryIdentifier.ChristmasIsland, new ChristmasIsland() },
             { CountryIdentifier.CocosKeelingIslands, new CocosKeelingIslands() },
             { CountryIdentifier.Colombia, new Colombia() },
             { CountryIdentifier.Comoros, new Comoros() },
+            { CountryIdentifier.Chad, new Chad() },
+            { CountryIdentifier.Chile, new Chile() },
+            { CountryIdentifier.China, new China() },
+            { CountryIdentifier.CentralAfricanRepublic, new CentralAfricanRepublic() },
 
             // Future countries can be added here in the same format.
         };