Seattle–Tacoma International Airport, branded as SEA Airport and also referred to as Sea–Tac, is the primary commercial airport serving the Seattle metropolitan area in the U.S. state of Washington. It is in the city of SeaTac, approximately 14 miles south of Downtown Seattle and 18 miles north-northeast of Downtown Tacoma. The airport, which is the busiest in the Pacific Northwest region of North America, is situated between Portland, Oregon and Vancouver, British Columbia, and is owned by Port of Seattle.