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.