Generally Available: Availability zones support for Azure Functions in new regions
Published date: February 15, 2023
Availability zones for Azure Functions is now available in the Norway East, South Africa North, Switzerland North, and UAE North regions on both Premium (Elastic Premium) and Dedicated (App Service) plans.
For apps running in a zone-redundant plan, even as the app scales in and out, the function app platform automatically spreads the instances in the plan across all zones of the selected region.
To learn more, read the documentation.