Hi there thanks for posting in the community! You can import AWS accounts hosted in any of the following AWS regions: 

• ap-northeast-1


• ap-northeast-2


• ap-northeast-3


• ap-south-1


• ap-southeast-1


• ap-southeast-2


• ca-central-1


• eu-central-1


• eu-north-1


• eu-west-1


• eu-west-2


• eu-west-3


• sa-east-1


• us-east-1


• us-east-2


• us-west-1


• Us-west-2

For more information please take a look at our Import and Manage AWS Infrastructure Data article from the Lucidscale Help Center and post any additional questions below.