The AWS Well-Architected Tool is now available in the Europe (Frankfurt) Region. The AWS Well-Architected Tool helps you review your workloads against AWS architectural best practices, and provides guidance on improving your cloud architectures. 

from Recent Announcements: https://aws.amazon.com/about-aws/whats-new/2019/12/aws-well-architected-tool-available-in-europe-frankfurt-region/