AWS Local Zones are now available in four new metro areas—Buenos Aires, Copenhagen, Helsinki, and Muscat. You can now use these Local Zones to deliver applications that require single-digit millisecond latency or local data processing.

Source: https://aws.amazon.com/es/about-aws/whats-new/2022/11/aws-local-zones-buenos-aires-copenhagen-helsinki-muscat/?nc1=h_ls