The Theodore Roosevelt National Wildlife Refuge Complex is the largest refuge complex in the state of Mississippi. Over 100,000 acres (400 km2) of refuge lands on seven refuges, including 13,000 acres (53 km2) of refuge-managed Farmers Home Administration lands, provide vital habitat for fish and wildlife in the Delta region. The complex includes seven refuges: The Headquarters Office for Theodore Roosevelt National Wildlife Refuge Complex is located on Yazoo National Wildlife Refuge.