The capital of the State of Washington in the United States is Olympia. Located in the western part of the state, Olympia serves as both the capital and the county seat of Thurston County. It is situated at the southern end of the Puget Sound region and lies approximately 60 miles southwest of Seattle. Olympia is known for its natural beauty, with the nearby Olympic Mountains and numerous parks and waterways. The city is home to various governmental institutions, including the Washington State Capitol building, which houses the legislative branches of the state government.