Generally Available: Locations API Update for UK Azure Regions

To align with evolving compliance and regulatory requirements, Azure is updating the geographyGroup and regionalDisplayName metadata for UK-based regions in the Locations API. These changes will take effect this month, October 2025, and will apply to the existing UK South and UK West regions. It will introduce a new geographyGroup value: "UK", and the regionalDisplayName prefix will also be updated from "Europe" to "UK". What customers will see: * Updated values in Locations API responses for UK-based regions * Revised region names in Azure Portal region selection menus Example of changes reflected in Locations API response: Before: { "name": "uksouth", "displayName": "UK South", "regionalDisplayName": "(Europe) UK South", "metadata": { "geography": "United Kingdom", "geographyGroup": "Europe" } } After: { "name": "uksouth", "displayName": "UK South", "regionalDisplayName": "(UK) UK South", "metadata": { "geography": "United Kingdom", "geographyGroup": "UK" } } You can explore these changes using the Try It feature in our [Locations API public documentation](https://learn.microsoft.com/en-us/rest/api/resources/subscriptions/list-locations?view=rest-resources-2022-12-01&tabs=HTTP).