Largest municipalities by area

The 20 municipalities in Nagano Ken with the highest area, and the 20 with the lowest, out of 83 with a published figure.

	Municipality	Prefecture	Postal code	Area
1	Matsumoto	Nagano Ken	390-8502	978,770,000.0 km²
2	Nagano Prefecture	Nagano Ken	381-0036	13,585.2 km²
3	Takayama	Nagano Ken	382-0800	2,177.7 km²
4	Tenryū-ku	Nagano Ken	399-1200	943.8 km²
5	Ōno-shi	Nagano Ken	399-0601	872.3 km²
6	Ina	Nagano Ken	396-0215	667.9 km²
7	Iida	Nagano Ken	395-0244	658.7 km²
8	Ōmachi-shi	Nagano Ken	398-8601	565.1 km²
9	Ueda	Nagano Ken	386-1105	552.0 km²
10	Kami	Nagano Ken	384-0614	537.9 km²
11	Kiso	Nagano Ken	399-5303	476.0 km²
12	Nakanojō	Nagano Ken	389-0602	439.3 km²
13	Kurobe	Nagano Ken	382-0823	426.3 km²
14	Saku	Nagano Ken	385-0016	423.5 km²
15	Sano	Nagano Ken	381-0402	356.0 km²
16	Azumino	Nagano Ken	399-8212	331.8 km²
17	Shiojiri	Nagano Ken	399-0732	290.0 km²
18	Anan	Nagano Ken	399-1500	279.4 km²
19	Otari	Nagano Ken	399-9400	267.9 km²
20	Chino	Nagano Ken	391-0393	266.6 km²

Smallest municipalities by area

	Municipality	Prefecture	Postal code	Area
1	Asahi	Nagano Ken	390-1100	6.0 km²
2	Toyosato	Nagano Ken	389-2502	7.8 km²
3	Chūō	Nagano Ken	399-0493	10.2 km²
4	Kasuga	Nagano Ken	395-0301	14.0 km²
5	Nakahara-ku	Nagano Ken	382-0804	14.7 km²
6	Nakano	Nagano Ken	383-0046	15.6 km²
7	Tōgō-chō	Nagano Ken	386-1603	18.0 km²
8	Sakae-ku	Nagano Ken	389-2700	18.5 km²
9	Obuse	Nagano Ken	381-0201	19.1 km²
10	Yoshida	Nagano Ken	399-3102	20.7 km²
11	Goka	Nagano Ken	395-0302	23.1 km²
12	Kamijima	Nagano Ken	399-0512	30.4 km²
13	Nakayama	Nagano Ken	399-0498	31.1 km²
14	Itabashi	Nagano Ken	384-1304	32.2 km²
15	Toyono	Nagano Ken	389-1212	34.3 km²
16	Ikusaka	Nagano Ken	399-7200	34.4 km²
17	Omi	Nagano Ken	399-7700	34.4 km²
18	Hirao	Nagano Ken	381-0401	34.6 km²
19	Mutsuzawa	Nagano Ken	399-2101	35.6 km²
20	Shimojō-mura	Nagano Ken	399-2100	38.1 km²

Largest municipalities by area — All of Japan

One row per municipalities. The figures are published by municipality, so every postal code inside one shares them; the postal code shown is one of that municipality's.