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Azure AI Search feature availability across cloud regions

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

  • Semantic ranking depends on models hosted by Microsoft. These models are available in specific regions.
  • AI enrichment refer to skills and vectorizers that make internal calls to Azure AI and Azure OpenAI. AI enrichment requires that Azure AI Search coexist with an Azure AI multi-service account in the same physical region. The following tables indicate whether Azure AI is offered in the same region as Azure AI Search.
  • Availability zones are an Azure platform capability that divides a region's data centers into distinct physical location groups to provide high-availability, within the same region.

We recommend that you check Azure AI Studio region availability and Azure OpenAI model region availability for the most current list of regions for those features.

Also, if you're using Azure AI Vision 4.0 multimodal APIs for image vectorization, it's available on a more limited basis. Check the Azure AI Vision region list for multimodal embeddings and be sure to create both your Azure AI multi-service account and Azure AI Search service in one of those supported regions.

Note

Higher capacity partitions became available in selected regions starting in April 2024. A second wave of higher capacity partitions released in May 2024. If you're using an older search service, consider creating a new search service to benefit from more capacity at the same billing rate as before. For more information, see Service limits

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 enrichment Semantic ranking Availability zones
Brazil South​​ ​ ✅ ✅
Canada Central​​ ✅ ✅ ✅
Canada East​​ ​ ✅
East US​ ✅ ✅ ✅
East US 2 ​ ✅ ✅ ✅
​Central US​ ​ ✅ ✅ ✅
North Central US​ ​ ✅ ✅
South Central US​ ​ ✅ ✅ ✅
West US​ ​ ✅ ✅
West US 2​ ​ ✅ ✅ ✅
West US 3​ ​ ✅ ✅ ✅
West Central US​ ​ ✅ ✅

Europe

Region AI enrichment Semantic ranking Availability zones
North Europe​​ ✅ ✅ ✅
West Europe​​ 1 ✅ ✅ ✅
France Central​​ ✅ ✅ ✅
Germany West Central​ ​ ✅ ✅
Italy North​​ ✅
Norway East​​ ✅ ✅
Poland Central​​
Spain Central ✅
Sweden Central​​ ✅ ✅
Switzerland North​ ✅ ✅ ✅
Switzerland West​ ✅ ✅ ✅
UK South​ ✅ ✅ ✅
UK West​ ​ ✅

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

Middle East

Region AI enrichment Semantic ranking Availability zones
Israel Central​ 1 ✅
Qatar Central​ 1 ✅
UAE North​​ ✅ ✅

1 These regions run on older infrastructure that has lower capacity per partition at every tier. Choose a different region if you want higher capacity.

Africa

Region AI enrichment Semantic ranking Availability zones
South Africa North​ ✅ ✅

Asia Pacific

Region AI enrichment Semantic ranking Availability zones
Australia East​ ​ ✅ ✅ ✅
Australia Southeast​​​ ✅
East Asia​ ✅ ✅ ✅
Southeast Asia​ ​ ​ ✅ ✅ ✅
Central India ✅ ✅ ✅
Jio India West​ ​ ✅ ✅
South India 1 ✅
Japan East ✅ ✅ ✅
Japan West​ ✅ ✅
Korea Central ✅ ✅ ✅
Korea South​ ​ ✅

1 These regions run on older infrastructure that has lower capacity per partition at every tier. Choose a different region if you want higher capacity.

Azure Government regions

All of these regions support higher capacity tiers.

None of these regions support Azure role-based access for data plane operations. You must use key-based authentication for indexing and query workloads.

Region AI enrichment Semantic ranking Availability zones
Arizona ✅
Texas
Virginia ✅ ✅

Azure operated by 21Vianet

You can install Azure AI Search in any of the following regions. If you need semantic ranking or AI enrichment, choose a region that provides the feature.

Region AI enrichment Semantic ranking Availability zones
China East 1
China East 2 1 ✅
China East 3
China North 1
China North 2 1
China North 3 ✅ ✅

1 These regions run on older infrastructure that has lower capacity per partition at every tier. Choose a different region if you want higher capacity.

See also