AWS Graviton2-based R6g and T4g database instances are now available in Africa (Cape Town), Asia Pacific (Hyderabad), Asia Pacific (Osaka), Asia Pacific (Jakarta), Asia Pacific (Melbourne) ,EU (Spain), EU (Zurich), Middle East (Bahrain), and Middle East (UAE) regions for Amazon Aurora MySQL-Compatible Edition and Amazon Aurora PostgreSQL-Compatible Edition. These instances are powered by the AWS Graviton2 processors that are custom designed by AWS using 64-bit Arm Neoverse cores.
Source:: Amazon AWS