Walla Walla is the largest city in and the county seat of Walla Walla County, Washington, United States. The population was 29,686 at the 2000 census and 31,350 from the 2008 estimate of the Washington State Office of Financial Management. Walla Walla is in the southeastern region of Washington, approximately four hours by car from Seattle, Washington and thirteen miles from the Oregon border.Whitman College, Walla Walla Community College, and the Washington State Penitentiary are located in Walla Walla. Walla Walla University is located in nearby College Place, Washington. In addition, Baker Boyer Bank, the oldest bank in the state of Washington, was founded in Walla Walla in 1869.

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