Seattle, Washington, United States of America Seattle is a seaport city on the west coast of the United States. It is the seat of King County, Washington. With an estimated 725,000 residents as of 2018, Seattle is the largest city in both the state of Washington and the Pacific Northwest region of North America. Seattle is home to the famous Space Needle, which formed part of the game Infamous Second Son from Seattle game developer Sucker Punch Productions. In fact, many major video game companies have their headquarters in Seattle including Microsoft, Nintendo of America and Valve. Seattle is also the birthplace of rock musician Jimi Hendrix, as well as the origin of the bands Nirvana, Pearl Jam, Soundgarden, Alice in Chains, Foo Fighters and the alternative rock movement grunge.