Washington State

Washington is the northwestern-most state of the contiguous United States. Its northern border lies mainly along the 49th parallel, with the Canadian province of British Columbia to the north. Washington borders Oregon to the south, with the Columbia River forming most of the boundary and the 46th parallel forming the eastern part of the southern boundary. To the east Washington borders Idaho, bounded mostly by the meridian running north from the confluence of the Snake River and Clearwater River (about 116°57' west), except for the southernmost section where the border follows the Snake River. To the west of Washington lies the Pacific Ocean.

Washington is in the region known as the Pacific Northwest, a term which often includes part or all of British Columbia in Canada and part of Alaska. Sometimes it refers only to lands within the northwestern United States, including Oregon.

- Wikipedia