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Look up 長州 in Wiktionary, the free dictionary.
長州 may refer to:
- Chang Prefecture (Inner Mongolia) (長州), a prefecture between the 7th and 8th centuries in modern Inner Mongolia
- Trường Province (Vietnam) (長州), a province between the 8th and 9th centuries in modern Vietnam
- Chōshū Domain, a feudal domain of Japan during the Edo period
- Nagato Province, abbreviated name was Chōshū (長州), province of Japan located in what is today Yamaguchi Prefecture