This topic describes the term region in Alibaba Cloud and all regions where IoT Platform is available. This topic also describes how to select a region.
Regions are geographical locations where Alibaba Cloud data centers are deployed. Regions are defined based on the cities where data centers reside. For example, the China (Shanghai) region indicates that the data center is located in Shanghai, China.
How to select regions
A region that is closer to the geographical location of your users provides lower latency and higher access speed.
We recommend that you select a region based on your business requirements on network latency.
|Communication between cloud services over an internal network||
Notice If you have purchased a cloud network service to connect the cloud services, ignore this item.
|Resource price||You can select a region based on your budget.
The prices of resources may vary based on regions. For more information, see the product page or buy page of your resource.
Regions are defined based on the cities where data centers reside. You cannot change the region of a resource after the resource is created. The following table describes the mappings between the supported regions, the cities where the data centers reside, and the region IDs.
- In the Chinese mainland
Region City Region ID China (Shanghai) Shanghai cn-shanghai
- Outside the Chinese mainland
Country City Region ID Singapore Singapore ap-southeast-1 Japan Tokyo ap-northeast-1 US Silicon Valley us-west-1 US Virginia us-east-1 Germany Frankfurt eu-central-1