Largest municipalities by area

The 20 municipalities in Tochigi Ken with the highest area, and the 20 with the lowest, out of 35 with a published figure.

	Municipality	Prefecture	Postal code	Area
1	Nikkō-shi	Tochigi Ken	321-1515	1,449.8 km²
2	Nasushiobara	Tochigi Ken	329-2721	592.7 km²
3	Kobayashi	Tochigi Ken	321-4321	563.1 km²
4	Kanuma	Tochigi Ken	322-0071	490.6 km²
5	Utsunomiya	Tochigi Ken	321-0121	416.9 km²
6	Nasu	Tochigi Ken	325-0002	372.3 km²
7	Sano	Tochigi Ken	327-0503	356.0 km²
8	Ōtawara-shi	Tochigi Ken	324-0202	354.4 km²
9	Tochigi	Tochigi Ken	328-0121	331.5 km²
10	Shimizu-ku	Tochigi Ken	321-4402	265.0 km²
11	Shika	Tochigi Ken	321-4504	246.8 km²
12	Nishigō-mura	Tochigi Ken	321-4307	192.1 km²
13	Kameyama	Tochigi Ken	321-4363	191.0 km²
14	Shima	Tochigi Ken	321-4326	178.9 km²
15	Ashikaga	Tochigi Ken	326-0328	177.8 km²
16	Shioya	Tochigi Ken	329-1235	176.1 km²
17	Nasukarasuyama	Tochigi Ken	321-0601	174.3 km²
18	Oyama	Tochigi Ken	323-0801	171.8 km²
19	Yaita	Tochigi Ken	329-2145	170.5 km²
20	Naganuma	Tochigi Ken	321-4539	168.5 km²

Smallest municipalities by area

	Municipality	Prefecture	Postal code	Area
1	Nagata-ku	Tochigi Ken	321-4364	11.4 km²
2	Ōki-machi	Tochigi Ken	321-4505	18.4 km²
3	Nogi	Tochigi Ken	329-0114	30.3 km²
4	Kawachi	Tochigi Ken	329-0604	44.3 km²
5	Tsuruta	Tochigi Ken	321-4302	46.4 km²
6	Wakabayashi-ku	Tochigi Ken	329-0103	50.9 km²
7	Mibu	Tochigi Ken	321-0200	61.1 km²
8	Haga	Tochigi Ken	321-3547	70.2 km²
9	Hachijō-machi	Tochigi Ken	321-4303	72.2 km²
10	Shimotsuke	Tochigi Ken	329-0423	74.6 km²
11	Naka	Tochigi Ken	321-4351	97.8 km²
12	Sakura	Tochigi Ken	329-1331	103.7 km²
13	Nagashima	Tochigi Ken	321-4532	116.2 km²
14	Isesaki	Tochigi Ken	321-4342	139.4 km²
15	Sakai	Tochigi Ken	321-4534	149.8 km²
16	Naganuma	Tochigi Ken	321-4539	168.5 km²
17	Yaita	Tochigi Ken	329-2145	170.5 km²
18	Oyama	Tochigi Ken	323-0801	171.8 km²
19	Nasukarasuyama	Tochigi Ken	321-0601	174.3 km²
20	Shioya	Tochigi Ken	329-1235	176.1 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.