Nagano 1st district
| Nagano 1st District | |
|---|---|
| Parliamentary constituency for the Japanese House of Representatives | |
Numbered map of Nagano Prefecture single-member districts | |
| Prefecture | Nagano |
| Proportional District | Hokurikushin'etsu |
| Electorate | 424,275 |
| Current constituency | |
| Created | 1994 |
| Seats | One |
| Party | CDP |
| Representative | Takashi Shinohara |
| Municipalities | Iiyama, Nakano, Suzaka, part of Nagano, Kamitakai District, Shimominochi District, and Shimotakai District |
Nagano 1st district (長野県第1区, Nagano-ken dai-ikku or simply 長野1区, Nagano-ikku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Nagano Prefecture.