Amazon EC2 Image – Debian Buster

The AMI names are:

debian-10-arm64-20200803-347
debian-10-amd64-20200803-347 

Source: https://wiki.debian.org/Cloud/AmazonEC2Image/Buster

Debian – Official Debian Amazon Machine Images (AMIs)
https://wiki.debian.org/Cloud/AmazonEC2Image