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state (of the US, Australia, India, Germany, etc.); province (e.g. of Canada); county (e.g. of the UK); region (e.g. of Italy); canton; oblast
continent
province (of Japan)
province (of ancient China); prefecture; department
アメリカには五十の州があるよ。
America has fifty states.
カリフォルニア州に住んでいたの。
I used to live in California.
どの州が一番広いか知ってる?
Do you know which state is the largest?