Oklahoma, located in the south-central United States, is divided into 77 counties and features numerous cities, with Oklahoma City serving as the state capital and largest city, followed by Tulsa, Norman, and Broken Arrow. The state has a population of approximately 4 million people and covers a land area of about 69,899 square miles. Oklahoma’s geography is diverse, ranging from the Great Plains in the west to the wooded hills and lakes in the east, with significant oil and natural gas reserves underlying much of the state. Major airports in Oklahoma include Will Rogers World Airport (OKC) in Oklahoma City and Tulsa International Airport (TUL), both of which offer domestic flights and connect the state to key national hubs. The state also has regional airports, such as Lawton-Fort Sill Regional Airport. Oklahoma is home to several prominent higher education institutions, including the University of Oklahoma (OU) in Norman, Oklahoma State University (OSU) in Stillwater, and the University of Tulsa. These institutions are central to the state’s educational and research efforts, especially in fields like engineering, energy, and healthcare. Oklahoma’s healthcare system includes major hospitals like OU Health in Oklahoma City, Saint Francis Hospital in Tulsa, and Integris Baptist Medical Center, providing critical care and specialized medical services. The state’s economy is driven by a range of industries, with energy (particularly oil, natural gas, and renewable energy), agriculture, manufacturing, and aerospace playing key roles. Oklahoma has a long history in oil production and continues to be one of the largest producers of oil and natural gas in the United States. Agriculture also plays a significant role in the state’s economy, with cattle ranching, wheat, cotton, and soybean production being prominent. Oklahoma’s aerospace industry is growing, with several military bases and private sector companies contributing to the sector. The state’s rich Native American history, with 39 federally recognized tribes, adds to its cultural diversity, and tourism is bolstered by attractions like the National Cowboy and Western Heritage Museum, the Oklahoma City National Memorial, and natural sites such as the Wichita Mountains Wildlife Refuge. Oklahoma’s combination of urban centers, rural areas, and natural resources makes it an important hub for commerce and industry in the region.