A Guide to Azure Regions and Data Center Locations
FAQ
The following are some frequently asked questions around Azure regions, region pairs, and availability zones.
An Azure region is a collection of data centers deployed within a latency-defined perimeter. A region pair consists of two Azure regions within the same geographies for disaster recovery and failover scenarios.
Azure availability zones are physical but separate locations within an Azure region.
All Azure regions are paired with another region within the same geography, with a few exceptions where regions are paired across geographies.
A cloud zone can be thought of as another name for an availability zone within a region.
If an Azure region goes down due to a disaster or similar, the other region in the region pair will be used.
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