Okaya City Hall
| Municipality | Address | Phone・Fax |
| Okaya City Hall [HP] | 8-1 Saiwaicho, Okaya Shi, Nagano 394-8510 | Phone:0266-23-4811 Fax:0266-24-0689 |
| Municipality | Address | Phone・Fax |
| Okaya City Hall [HP] | 8-1 Saiwaicho, Okaya Shi, Nagano 394-8510 | Phone:0266-23-4811 Fax:0266-24-0689 |
| Hokaido | |
|---|---|
| Tohoku | |
| Kanto | |
| Koshinetsu, Hokuriku | |
| Chubu | |
| Kinki | |
| Chugoku | |
| Shikoku | |
| Kyusyu | |
| Okinawa |