都と道どう府ふ県けん知ち事じ

• 知ち事じ

  知事 is a general term for a governor, while 都道府県知事 explicitly covers all four types of prefectural governors.

• 市し長ちょう

  市長 is a city mayor, a lower administrative level than a prefectural governor.

Compound of 都道府県 (todōfuken, 'prefectures') and 知事 (chiji, 'governor').