multi-region active-active architecture

[RJNIMP]

How to build a multi-region active-active architecture using Azure SQL DB?

In both regions would like to have a RW Databases and need some kind of replication to keep both region databases in sync.  

[#2]

You can use Data Sync to have active-active architecture. Please refer article for more details.
https://docs.microsoft.com/en-us/azure/azure-sql/database/sql-data-sync-data-sql-server-sql-database...