济州 Traditional form: 濟州 Pinyin (reading): Jìzhōu Definitions: Jeju Island special autonomous province (Cheju Island), South Korea, a World Heritage site Characters: 济 - to aid, to help, to relieve; to ferry across 州 - state, province, prefecture Traditional characters: 濟 - to aid, to help, to relieve; to ferry across 州 - state, province, prefecture