Washington is a state in the Pacific Northwest region of the Western United States. It is the 18th most extensive and the 13th-most populous of the 50 states. Washington is the second-most populous contiguous Western state, after California. The state's name honours George Washington, the first president of the United States. Washington is known for its natural beauty, including the Cascade Mountains, the Olympic Mountains, and Puget Sound. The state is also home to many major cities, including Seattle, Spokane, and Tacoma Washington's economy is diverse, with sectors including technology, agriculture, and aerospace. The state is also a significant producer of hydroelectric power. Washington is a popular tourist destination, with attractions ranging from the Space Needle in Seattle to Mount Rainier National Park. The Cascade Mountains, the Olympic Mountains, and Puget Sound are just a few of the breath-taking natural features that can be found in Washington. Several significant aerospace firms, including Boeing and SpaceWorks, are based in Washington.