-> You can use geo-replication to create secondary replicas in the same region as the primary. You can use these secondaries to satisfy read scale-out scenarios in the same region. However, a secondary replica in the same region does not provide additional resilience to catastrophic failures or large scale outages, and therefore is not a suitable failover target for disaster recovery purposes. It also does not guarantee availability zone isolation. Use Business Critical or Premium service tiers [zone redundant configuration](high-availability-sla.md#premium-and-business-critical-service-tier-zone-redundant-availability) or General Purpose service tier [zone redundant configuration](high-availability-sla.md#general-purpose-service-tier-zone-redundant-availability-preview) to achieve availability zone isolation.
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