diff --git a/src/Authentication.Abstractions/AzureEnvironment.BuiltIn.cs b/src/Authentication.Abstractions/AzureEnvironment.BuiltIn.cs
index 091db375bb..844537f1b5 100644
--- a/src/Authentication.Abstractions/AzureEnvironment.BuiltIn.cs
+++ b/src/Authentication.Abstractions/AzureEnvironment.BuiltIn.cs
@@ -175,6 +175,8 @@ private static void SetExtendedProperties(IDictionary<string, AzureEnvironment>
                 azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.AnalysisServicesEndpointResourceId, AzureEnvironmentConstants.ChinaAnalysisServicesEndpointResourceId);
                 azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.ManagedHsmServiceEndpointResourceId, AzureEnvironmentConstants.ChinaManagedHsmServiceEndpointResourceId);
                 azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.ManagedHsmServiceEndpointSuffix, AzureEnvironmentConstants.ChinaManagedHsmDnsSuffix);
+                azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.AzureAppConfigurationEndpointResourceId, AzureEnvironmentConstants.ChinaAppConfigurationEndpointResourceId);
+                azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.AzureAppConfigurationEndpointSuffix, AzureEnvironmentConstants.ChinaAppConfigurationEndpointSuffix);
                 azureEnvironments[EnvironmentName.AzureChinaCloud].SetProperty(ExtendedEndpoint.ContainerRegistryEndpointResourceId, AzureEnvironmentConstants.ChinaContainerRegistryEndpointResourceId);
             }
 
@@ -186,6 +188,8 @@ private static void SetExtendedProperties(IDictionary<string, AzureEnvironment>
                 azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.AnalysisServicesEndpointResourceId, AzureEnvironmentConstants.USGovernmentAnalysisServicesEndpointResourceId);
                 azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.ManagedHsmServiceEndpointResourceId, AzureEnvironmentConstants.USGovernmeneManagedHsmServiceEndpointResourceId);
                 azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.ManagedHsmServiceEndpointSuffix, AzureEnvironmentConstants.USGovernmentManagedHsmDnsSuffix);
+                azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.AzureAppConfigurationEndpointResourceId, AzureEnvironmentConstants.USGovernmentAppConfigurationEndpointResourceId);
+                azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.AzureAppConfigurationEndpointSuffix, AzureEnvironmentConstants.USGovernmentAppConfigurationEndpointSuffix);
                 azureEnvironments[EnvironmentName.AzureUSGovernment].SetProperty(ExtendedEndpoint.ContainerRegistryEndpointResourceId, AzureEnvironmentConstants.USGovernmentContainerRegistryEndpointResourceId);
             }
         } 
diff --git a/src/Authentication.Abstractions/AzureEnvironmentConstants.cs b/src/Authentication.Abstractions/AzureEnvironmentConstants.cs
index d4c5a7eadc..1d7a86978d 100644
--- a/src/Authentication.Abstractions/AzureEnvironmentConstants.cs
+++ b/src/Authentication.Abstractions/AzureEnvironmentConstants.cs
@@ -269,10 +269,18 @@ public static class AzureEnvironmentConstants
         public const string AzurePurviewEndpointResourceId = "https://purview.azure.net";
 
         /// <summary>
-        /// App Configuration
+        /// The domain name suffix for App Configuration
         /// </summary>
         public const string AzureAppConfigurationEndpointSuffix = "azconfig.io";
+        public const string ChinaAppConfigurationEndpointSuffix = "azconfig.azure.cn";
+        public const string USGovernmentAppConfigurationEndpointSuffix = "azconfig.azure.us";
+
+        /// <summary>
+        /// The endpoint Resource Id for App Configuration
+        /// </summary>
         public const string AzureAppConfigurationEndpointResourceId = "https://azconfig.io";
+        public const string ChinaAppConfigurationEndpointResourceId = "https://azconfig.azure.cn";
+        public const string USGovernmentAppConfigurationEndpointResourceId = "https://azconfig.azure.us";
 
         /// <summary>
         /// The endpoint Resource Id for Azure Container Registry