noun
in the capital; in Tokyo
Refers to being within the Tokyo metropolitan area, often used in contrast to other regions. More formal than 東京.
都下の学校に通っています。
I attend a school in Tokyo.
noun
Western Tokyo; areas of Tokyo outside the 23 wards
Specifically denotes the Tama area and other parts of Tokyo outside the special wards. Often used in administrative or geographical contexts.
都下の多摩地域には自然が多く残っている。
In the Tama area of Western Tokyo, much nature remains.