diff --git a/src/Authentication/Authentication.Test/Common/GraphSettingsTests.cs b/src/Authentication/Authentication.Test/Common/GraphSettingsTests.cs
index 31e3c2aad94..314938263d4 100644
--- a/src/Authentication/Authentication.Test/Common/GraphSettingsTests.cs
+++ b/src/Authentication/Authentication.Test/Common/GraphSettingsTests.cs
@@ -115,8 +115,8 @@ public void ShouldLoadSettingsFromConfiguredDataStore()
 
             // Assert
             Assert.NotNull(loadedEnvironment);
-            // 5 built-in + 2 user-defined
-            Assert.Equal(7, settings.Environments.Count());
+            // 6 built-in + 2 user-defined
+            Assert.Equal(8, settings.Environments.Count());
             Assert.Equal("https://login.MyNewCloud.com", loadedEnvironment.AzureADEndpoint);
             Assert.Equal("https://graph.MyNewCloud.com", loadedEnvironment.GraphEndpoint);
             Assert.Equal(GraphEnvironmentConstants.EnvironmentType.UserDefined, loadedEnvironment.Type);
@@ -155,8 +155,8 @@ public void ShouldRemoveSettingsFromConfiguredDataStore()
 
             // Assert
             Assert.NotEmpty(settingsContent);
-            // 5 built-in + 1 user-defined
-            Assert.Equal(6, settings.Environments.Count());
+            // 6 built-in + 1 user-defined
+            Assert.Equal(7, settings.Environments.Count());
 
             GraphSession.Reset();
         }
diff --git a/src/Authentication/Authentication.Test/Handlers/NationalCloudHandlerTests.cs b/src/Authentication/Authentication.Test/Handlers/NationalCloudHandlerTests.cs
index 75eee5dea01..ee0fdee0a69 100644
--- a/src/Authentication/Authentication.Test/Handlers/NationalCloudHandlerTests.cs
+++ b/src/Authentication/Authentication.Test/Handlers/NationalCloudHandlerTests.cs
@@ -64,13 +64,13 @@ public async Task ShouldUseGlobalCloudWhenEnvironmentIsNotSet()
         }
 
         [Fact]
-        public async Task ShouldUseGermanyCloudWhenEnvironmentIsSetToGermany()
+        public async Task ShouldUseDelosCloudWhenEnvironmentIsSetToDelos()
         {
             GraphSession.Initialize(() => new GraphSession());
 
             // Arrange
-            GraphEnvironment germanyEnvironment = GraphEnvironment.BuiltInEnvironments[GraphEnvironmentConstants.EnvironmentName.Germany];
-            GraphSession.Instance.Environment = germanyEnvironment;
+            GraphEnvironment delosEnvironment = GraphEnvironment.BuiltInEnvironments[GraphEnvironmentConstants.EnvironmentName.DelosCloud];
+            GraphSession.Instance.Environment = delosEnvironment;
             Uri requestUrl = new Uri($"https://graph.microsoft.com/beta/users?{topParam}&{selectParam}");
             var httpRequestMessage = new HttpRequestMessage(HttpMethod.Get, requestUrl);
 
@@ -80,7 +80,7 @@ public async Task ShouldUseGermanyCloudWhenEnvironmentIsSetToGermany()
 
             // Assert
             Assert.Equal(requestUrl.Scheme, response.RequestMessage.RequestUri.Scheme);
-            Assert.Equal("graph.microsoft.de", response.RequestMessage.RequestUri.Host);
+            Assert.Equal("graph.svc.sovcloud.de", response.RequestMessage.RequestUri.Host);
             Assert.Contains(topParam, sentRequestQuery);
             Assert.Contains(selectParam, sentRequestQuery);
             Assert.Equal(2, sentRequestQuery.Split('&').Length);
diff --git a/src/Authentication/Authentication/GraphEnvironmentConstants.cs b/src/Authentication/Authentication/GraphEnvironmentConstants.cs
index b13710d234f..adeeef76408 100644
--- a/src/Authentication/Authentication/GraphEnvironmentConstants.cs
+++ b/src/Authentication/Authentication/GraphEnvironmentConstants.cs
@@ -30,14 +30,19 @@ public static class EnvironmentName
             public const string USGovDoD = "USGovDoD";
 
             /// <summary>
-            /// The graph national cloud for Germany.
+            /// The graph national cloud for China.
             /// </summary>
-            public const string Germany = "Germany";
+            public const string China = "China";
 
             /// <summary>
-            /// The graph national cloud for China.
+            /// The French sovereign cloud operated by Bleu.
             /// </summary>
-            public const string China = "China";
+            public const string BleuCloud = "BleuCloud";
+
+            /// <summary>
+            /// The German sovereign cloud operated by Delos.
+            /// </summary>
+            public const string DelosCloud = "DelosCloud";
         }
 
         /// <summary>
@@ -84,16 +89,6 @@ public static class EnvironmentType
                     GraphEndpoint = "https://dod-graph.microsoft.us"
                 }
             },
-            // Germany national cloud endpoints.
-            {
-                EnvironmentName.Germany, new GraphEnvironment
-                {
-                    Name = EnvironmentName.Germany,
-                    Type = EnvironmentType.BuiltIn,
-                    AzureADEndpoint = "https://login.microsoftonline.de",
-                    GraphEndpoint = "https://graph.microsoft.de"
-                }
-            },
             // China national cloud endpoints.
             {
                 EnvironmentName.China, new GraphEnvironment
@@ -103,6 +98,26 @@ public static class EnvironmentType
                     AzureADEndpoint = "https://login.chinacloudapi.cn",
                     GraphEndpoint = "https://microsoftgraph.chinacloudapi.cn"
                 }
+            },
+            // French sovereign cloud endpoints.
+            {
+                EnvironmentName.BleuCloud, new GraphEnvironment
+                {
+                    Name = EnvironmentName.BleuCloud,
+                    Type = EnvironmentType.BuiltIn,
+                    AzureADEndpoint = "https://login.sovcloud-identity.fr",
+                    GraphEndpoint = "https://graph.svc.sovcloud.fr"
+                }
+            },
+            // German sovereign cloud endpoints.
+            {
+                EnvironmentName.DelosCloud, new GraphEnvironment
+                {
+                    Name = EnvironmentName.DelosCloud,
+                    Type = EnvironmentType.BuiltIn,
+                    AzureADEndpoint = "https://login.sovcloud-identity.de",
+                    GraphEndpoint = "https://graph.svc.sovcloud.de"
+                }
             }
         };
     }