Koga City Hall
| Municipality | Address | Phone・Fax |
| Koga City Hall [HP] | 2248 Shimoono, Koga Shi, Ibaraki 306-0291 | Phone:0280-92-3111 Fax:0280-92-3088 |
| Municipality | Address | Phone・Fax |
| Koga City Hall [HP] | 2248 Shimoono, Koga Shi, Ibaraki 306-0291 | Phone:0280-92-3111 Fax:0280-92-3088 |
| Hokaido | |
|---|---|
| Tohoku | |
| Kanto | |
| Koshinetsu, Hokuriku | |
| Chubu | |
| Kinki | |
| Chugoku | |
| Shikoku | |
| Kyusyu | |
| Okinawa |