Tulsa is a city located in the northeastern part of the U.S. state of Oklahoma. It lies on the banks of the Arkansas River, situated between the Ozark Mountains and the Great Plains. Tulsa is the second-largest city in Oklahoma and serves as the county seat of Tulsa County. It is known for its historical significance in the oil industry and its diverse economy today, including finance, aviation, telecommunications, and technology. The city is also recognized for its cultural institutions, parks, and art deco architecture. Tulsa's geographic coordinates are approximately 36.15°N latitude and 95.99°W longitude.