---
title: "Always On Availability Groups Catalog Views (Transact-SQL) | Microsoft Docs"
ms.custom: ""
ms.date: "03/14/2017"
ms.prod: sql
ms.prod_service: "database-engine"
ms.reviewer: ""
ms.technology: system-objects
ms.topic: "language-reference"
dev_langs: 
  - "TSQL"
helpviewer_keywords: 
  - "catalog views [SQL Server], AlwaysOn Availability Groups"
  - "YY"
ms.assetid: ff53e873-8ff6-4628-af84-4ec52fa4951c
author: MikeRayMSFT
ms.author: mikeray
---
# Always On Availability Groups Catalog Views (Transact-SQL)
[!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)]

  This section contains catalog views and functions that are related to [!INCLUDE[ssHADR](../../includes/sshadr-md.md)].  
  
## In This Section  
  
|||  
|-|-|  
|[sys.availability_databases_cluster](../../relational-databases/system-catalog-views/sys-availability-databases-cluster-transact-sql.md)|[sys.availability_groups_cluster](../../relational-databases/system-catalog-views/sys-availability-groups-cluster-transact-sql.md)|  
|[sys.availability_group_listener_ip_addresses](../../relational-databases/system-catalog-views/sys-availability-group-listener-ip-addresses-transact-sql.md)|[sys.availability_read_only_routing_lists](../../relational-databases/system-catalog-views/sys-availability-read-only-routing-lists-transact-sql.md)|  
|[sys.availability_group_listeners](../../relational-databases/system-catalog-views/sys-availability-group-listeners-transact-sql.md)|[sys.availability_replicas](../../relational-databases/system-catalog-views/sys-availability-replicas-transact-sql.md)|  
|[sys.availability_groups](../../relational-databases/system-catalog-views/sys-availability-groups-transact-sql.md)||  
  
> [!NOTE]  
>  For information about joined availability databases, see the **replica_id** and **group_database_id** columns in [sys.databases (Transact-SQL);](../../relational-databases/system-catalog-views/sys-databases-transact-sql.md).  
  
## See Also  
 [sys.databases (Transact-SQL)](sys-databases-transact-sql.md)   
 [sys.database_mirroring_endpoints (Transact-SQL)](sys-database-mirroring-endpoints-transact-sql.md)   
 [Always On Availability Groups (SQL Server)](../../database-engine/availability-groups/windows/always-on-availability-groups-sql-server.md)   
 [Monitor Availability Groups (Transact-SQL);](../../database-engine/availability-groups/windows/monitor-availability-groups-transact-sql.md)   
 [Always On Availability Groups Dynamic Management Views and Functions (Transact-SQL)](../system-dynamic-management-views/always-on-availability-groups-dynamic-management-views-functions.md)