Hello , Welcome to MS Q&A
As per latest report, Microsoft is still working to expand the capacity of Azure Functions Flex Consumption in multiple regions, but there is no estimate yet for West Europe
The latest blog or update on this , pls check this https://techcommunity.microsoft.com/blog/appsonazureblog/azure-functions-flex-consumption-is-now-generally-available/4298778
Please let us know if anymore questions
Kindly accept answer if it helps
Thanks
Deepanshu