outside Tokyo; outside the Tokyo metropolitan area
Refers to areas outside the Tokyo metropolis (東京都). Often used in contexts like commuting, moving, or comparing locations.
See also: 都内
彼は都外から通勤している。
He commutes from outside Tokyo.
都外に引っ越すと家賃が安くなる。
If you move outside Tokyo, rent becomes cheaper.
都内 means inside the Tokyo metropolitan jurisdiction, while 都外 means outside it.
Compound of 都 (と, 'metropolis', here referring to Tokyo) and 外 (がい, 'outside').