https://aws.amazon.com/about-aws/whats-new/2020/12/aws-nitro-enclaves-is-now-available-in-6-additional-regions/
AWS Nitro Enclaves is now available in 6 additional regions - AWS
Discover more about what's new at AWS with AWS Nitro Enclaves is now available in 6 additional regions
aws nitro enclavesis now availableadditionalregions