Today, AWS announced plans to open a full AWS Region in Osaka, Japan. Expected in early 2021, the Asia Pacific (Osaka) Region will be launched by expanding the existing AWS (Osaka) Local Region with the addition of two new Availability Zones and an increased service portfolio. 

from Recent Announcements: https://aws.amazon.com/about-aws/whats-new/2018/08/aws-to-launch-standard-aws-region-in-osaka-in-early-2021/