Koto Ward Office
| Municipality | Address | Phone・Fax |
| Koto Ward Office [HP] | 4-11-28 Toyo, Koto Ku, Tokyo 135-8383 | Phone:03-3647-9111 Fax:03-3699-8773 |
| Municipality | Address | Phone・Fax |
| Koto Ward Office [HP] | 4-11-28 Toyo, Koto Ku, Tokyo 135-8383 | Phone:03-3647-9111 Fax:03-3699-8773 |
| Hokaido | |
|---|---|
| Tohoku | |
| Kanto | |
| Koshinetsu, Hokuriku | |
| Chubu | |
| Kinki | |
| Chugoku | |
| Shikoku | |
| Kyusyu | |
| Okinawa |