Azure AI Search regions list

This article identifies the cloud regions in which Azure AI Search is available. It also lists which premium features are available in each region.

Features subject to regional availability

Feature Availability
Extra capacity Higher capacity partitions became available in selected regions starting in April 2024 with a second wave following in May 2024. If you're using an older search service, create a new search service to benefit from more capacity at the same billing rate. To check existing capacity, find your search service and select the Properties tab in the middle of the Overview page. To check search service age, follow these instructions. Currently, there are just a few regions that don't offer higher capacity partitions. Regional support for extra capacity is noted in the footnotes of this article.
Availability zones Divides a region's data centers into distinct physical location groups, providing high-availability within the same geo. Regional support is noted in this article.
Azure AI enrichment Refers to skills that make internal calls to Azure AI for enrichment and transformation during indexing. Integration requires that Azure AI Search coexists with an Azure AI multi-service account in the same physical region. Regional support is noted in this article.
Azure OpenAI integration Refers to skills and vectorizers that make internal calls to deployed embedding and chat models on Azure OpenAI. Check Azure OpenAI model region availability for the most current list of regions for each embedding and chat model. Specific Azure OpenAI models are in fewer regions, so be sure to check for joint regional availability before installing.
Azure AI Studio integration Refers to skills and vectorizers that make internal calls to the models hosted in the model catalog. Check Azure AI Studio region availability for the most current list of regions.
Azure AI Vision 4.0 multimodal APIs for image vectorization Refers to skills and vectorizers that call the multimodal embedding API. Check the Azure AI Vision region list for joint regional availability.
Semantic ranker Takes a dependency on Microsoft-hosted models in specific regions. Regional support is noted in this article.

Azure Public regions

You can create an Azure AI Search resource in any of the following Azure public regions. Almost all of these regions support higher capacity tiers. Exceptions are noted where they apply.

Americas

Region AI integration Semantic ranker Availability zones Capacity constrained
Brazil South​​ ​
Canada Central​​
Canada East​​ ​
East US​
East US 2 ​ Basic, S1
​Central US​​
North Central US​ ​
South Central US​ All Tiers
West US​ ​
West US 2​ ​
West US 3​ Basic, S1
West Central US​ ​

Europe

Region AI integration Semantic ranker Availability zones Capacity constrained
North Europe​​
West Europe​​ 1 All Tiers
France Central​​
Germany West Central​ ​
Italy North​​
Norway East​​
Poland Central​​
Spain Central 1
Sweden Central​​
Switzerland North​
Switzerland West​
UK South​
UK West​ ​

1 This region runs on older infrastructure that has lower storage limits per partition at every tier. Choose a different region if you want higher limits.

Middle East

Region AI integration Semantic ranker Availability zones Capacity constrained
Israel Central​ 1
Qatar Central​ 1
UAE North​​

1 This region runs on older infrastructure that has lower storage limits per partition at every tier. Choose a different region if you want higher limits.

Africa

Region AI integration Semantic ranker Availability zones Capacity constrained
South Africa North​

Asia Pacific

Region AI integration Semantic ranker Availability zones Capacity constrained
Australia East​ ​
Australia Southeast​​​
East Asia​
Southeast Asia​ ​ ​
Central India S2, S3, S3HD, L1, L2
Jio India West​ ​
South India 1
Japan East
Japan West​
Korea Central
Korea South​ ​

1 This region runs on older infrastructure that has lower storage limits per partition at every tier. Choose a different region if you want higher limits.

Azure Government regions

Region AI integration Semantic ranker Availability zones Capacity constrained
Arizona
Texas
Virginia All Tiers

Azure operated by 21Vianet

Region AI integration Semantic ranker Availability zones Capacity constrained
China East
China East 2 1
China East 3
China North
China North 2 1
China North 3

1 This region runs on older infrastructure that has lower storage limits per partition at every tier. Choose a different region if you want higher limits.

See also