Juan de Fuca Strait (wän də fyōˈkə) [key], inlet of the Pacific Ocean, 100 mi (161 km) long and 11 to 17 mi (18–27 km) wide, between Vancouver Island, British Columbia, and Washington state, linking the Strait of Georgia and Puget Sound with the Pacific; forms part of the U.S.-Canada border. Victoria, British Columbia, the strait's largest city, is located at its eastern end; ferries connect it with the U.S. mainland. Discovered by the English captain Charles W. Barkley in 1787, the strait was named for a sailor, Juan de Fuca, who reputedly had explored it for Spain in 1592.
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