- Capital: Oklahoma City
- Population: 4 million
Stadiums – North America – United States – Oklahoma
| Location | Stadium | Capacity | Main use |
| Norman | Gaylord Family – Oklahoma Memorial Stadium | 80,000 | American football |
| Stillwater | Boone Pickens Stadium | 55,000 | American football |
| Tulsa | HA Chapman Stadium | 30,000 | American football |
| Norman | Lloyd Noble Center | 11,000 | Basketball |
| Tulsa | Mabee Center | 11,000 | Basketball |