Box 1: Yes - For read access to the secondary region, configure your storage account to use read-access geo-redundant storage (RA-GRS) or read-access geo-zone- redundant storage (RA-GZRS). Box 2: No - Box 3: Yes - Box 4: Yes - Azure Cosmos DB supports multi-region writes. Reference: https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy https://manojchoudhari.wordpress.com/2019/12/16/azure-cosmos-db-enable-multi-region-writes