Seattle-Tacoma International Airport, commonly known as Sea-Tac, is located between the cities of Seattle and Tacoma in Washington State. It serves as a major hub for both domestic and international flights, connecting travelers to various destinations around the world. The airport features multiple terminals, offering a range of amenities including shops, restaurants, and lounges. Opened in 1944, Sea-Tac has grown significantly over the years and is now one of the busiest airports in the United States. It is known for its efficient operations and commitment to sustainability, making it a key player in the region's transportation network.