governor of Tokyo; metropolitan governor
Specifically refers to the governor of the Tokyo Metropolis (東京都). Not used for governors of other prefectures.
都知事は明日、記者会見を開く予定だ。
The governor of Tokyo is scheduled to hold a press conference tomorrow.
She was elected as the new governor of Tokyo.
新しい都知事が選挙で選ばれた。
A new governor of Tokyo was elected.
The Tokyo gubernatorial election will be held next month.
A former bureaucrat ran for governor of Tokyo.
He served as governor of Tokyo for two terms.
府知事 is the governor of Osaka or Kyoto Prefecture (府), whereas 都知事 is used only for the governor of Tokyo (都).
都知事 is the governor of Tokyo Metropolis specifically, whereas 県知事 refers to the governor of an ordinary 県.
Compound of 都 (to, 'metropolis', referring to Tokyo) and 知事 (chiji, 'governor').