As of 2022, there are 588 National Wildlife Refuges in the United States, with the addition of the Green River National Wildlife Refuge. Refuges that have boundaries in multiple states are listed only in the state where the main visitor entrance is located. The newest refuge replaces the Cherry Valley National Wildlife Refuge in Pennsylvania. Refuges are listed whether or not they are open to the public. Many are not. The United States is divided into eight regions for administrative purposes: Alabama Alaska American Samoa Arizona Arkansas California Colorado Connecticut Delaware District of Columbia None Florida Georgia (*) - Refuge is part of the Savannah Coastal Refuges Complex. Guam Hawaiʻi Idaho (*) - Refuge is part of the Southeast Idaho National Wildlife Refuge Complex. Illinois See also: Mark Twain National Wildlife Refuge Complex Indiana Iowa Kansas Kentucky Louisiana Maine (*) - part of Maine Coastal Islands National Wildlife Refuge. Maryland (*) - part of Chesapeake Marshlands National Wildlife Refuge Complex. Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada (^) = managed as part of the Desert National Wildlife Refuge Complex, headquartered in Las Vegas (^^) = managed as part of the Sheldon-Hart Mountain National Wildlife Refuge Complex, headquartered in Lakeview, Oregon New Hampshire New Jersey New Mexico New York (*) = Refuge is part of the Long Island National Wildlife Refuge Complex. North Carolina (^) = Refuge is part of the North Carolina Coastal Plain National Wildlife Refuge Complex (^^) = Refuge is part of the Mattamuskeet, Swanquarter and Cedar Island National Wildlife Refuge Complex North Dakota (^) = managed by the Arrowwood National Wildlife Refuge Complex (^^) = managed by the Audubon National Wildlife Refuge Complex (^^^) = managed by the Devils Lake Wetland Management District (^^^^) = managed by the J. Clark Salyer National Wildlife Refuge Complex (^^^^^) = managed by the Long Lake National Wildlife Refuge Complex (^^^^^^) = managed by the Lostwood Wetland Management District Complex (^^^^^^^) = managed by the Souris River Basin National Wildlife Refuge Complex (^^^^^^^^) = managed by the Tewaukon National Wildlife Refuge Complex Northern Mariana Islands None Ohio (^) = managed by the Ottawa National Wildlife Refuge Complex Oklahoma Oregon See also: Klamath Basin National Wildlife Refuges Complex (CA and OR) Mid-Columbia River National Wildlife Refuge Complex Oregon Coast National Wildlife Refuge Complex Sheldon-Hart Mountain National Wildlife Refuge Complex (NV and OR) Willamette Valley National Wildlife Refuge Complex Pennsylvania Puerto Rico