diff --git a/CHANGELOG.md b/CHANGELOG.md
index c987b2811..9f2c998c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
 ## Release (2025-XX-XX)
 
 - `core`: [v0.15.1](core/CHANGELOG.md#v0151-2025-01-08)
-  - **Bugfix:** `ConfigureRegion` does not return an error if a region is set by an enviroment variable.
+  - **Bugfix:** `ConfigureRegion` does not return an error if a region is set by an environment variable.
+- `authorization`: [v0.5.0](services/authorization/CHANGELOG.md#v050-2025-01-09)
+  - **Feature:** Add support for regions in `APIClient`
 
 ## Release (2025-01-07)
 
diff --git a/services/authorization/CHANGELOG.md b/services/authorization/CHANGELOG.md
index 578013bf6..31b4182ae 100644
--- a/services/authorization/CHANGELOG.md
+++ b/services/authorization/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v0.5.0 (2025-01-09)
+
+- Add support for regions in `APIClient`
+
 ## v0.4.1 (2024-12-17)
 
 - **Bugfix:** Correctly handle nullable attributes in model types
diff --git a/services/authorization/configuration.go b/services/authorization/configuration.go
index 0b01a4f8d..6dbacd3e4 100644
--- a/services/authorization/configuration.go
+++ b/services/authorization/configuration.go
@@ -22,12 +22,16 @@ func NewConfiguration() *config.Configuration {
 		Debug:         false,
 		Servers: config.ServerConfigurations{
 			{
-				URL:         "https://authorization.api.stackit.cloud",
+				URL:         "https://authorization.api.{region}stackit.cloud",
 				Description: "No description provided",
 				Variables: map[string]config.ServerVariable{
 					"region": {
 						Description:  "No description provided",
-						DefaultValue: "global",
+						DefaultValue: "eu01.",
+						EnumValues: []string{
+							"eu01.",
+							"eu02.",
+						},
 					},
 				},
 			},