diff --git a/src/Nager.Country/AlphaCodeConversionExtensions.cs b/src/Nager.Country/AlphaCodeConversionExtensions.cs
new file mode 100644
index 0000000..e3ce5dd
--- /dev/null
+++ b/src/Nager.Country/AlphaCodeConversionExtensions.cs
@@ -0,0 +1,14 @@
+namespace Nager.Country;
+
+public static class AlphaCodeConversionExtensions
+{
+	public static Alpha3Code ToAlpha3Code( this Alpha2Code code )
+	{
+		return (Alpha3Code)code;
+	}
+
+	public static Alpha2Code ToAlpha2Code( this Alpha3Code code )
+	{
+		return (Alpha2Code)code;
+	}
+}
\ No newline at end of file
diff --git a/src/Nager.Country/CountryProviderExtensions.cs b/src/Nager.Country/CountryProviderExtensions.cs
new file mode 100644
index 0000000..e0bb3a9
--- /dev/null
+++ b/src/Nager.Country/CountryProviderExtensions.cs
@@ -0,0 +1,15 @@
+namespace Nager.Country;
+
+public static class CountryProviderExtensions
+{
+	public static IEnumerable<ICountryInfo> GetCountriesByRegion( this ICountryProvider provider, Region region )
+	{
+		return provider.GetCountries().Where( x => x.Region == region );
+	}
+
+	public static IEnumerable<ICountryInfo> GetCountriesBySubRegion( this ICountryProvider provider,
+		SubRegion subRegion )
+	{
+		return provider.GetCountries().Where( x => x.SubRegion == subRegion );
+	}
+}
\ No newline at end of file