Oklahoma City is the capital and largest city of the state of Oklahoma, United States. It is located in the central part of the state and is known for its vibrant arts and culture scene, as well as its western heritage. The city has a population of over 650,000 people, making it the 27th most populous city in the United States. Oklahoma City is also home to several professional sports teams, including the NBA's Oklahoma City Thunder. The city has a diverse economy, with sectors such as energy, aerospace, healthcare, and biotechnology playing key roles. Notable attractions in Oklahoma City include the Oklahoma City National Memorial, Bricktown Entertainment District, and the Oklahoma City Museum of Art.