Washington - state at the northwest part of our country. The capital is Olympia, the largest city is Seattle. Population is about 5.9 million people. Official nickname is Evergreen State. In the north, Washington is bordered by the Canadian province of British Columbia, at the east - by Idaho, at the south by Oregon. At the west it is bordered by the Pacific Ocean. The total area is 184,824 km ², of which the land has 172,587 km ².