Jeju Province is one of the nine provinces of South Korea. The province is situated on and coterminous with the nation's largest island of Jeju, formerly transliterated as Cheju, Cheju Do, etc., or known as Quelpart to Europeans. The island lies in the Korea Strait, southwest of South Jeolla Province, of which it was a part before it became a separate province in 1946. Its capital is Jeju City.