Map of Ojiya, Japan

Ojiya is a city in Niigata, Japan, with a population of about 34,704. It lies at 37.3000°N, 138.8000°E. Ojiya is about 196 km (122 mi) northwest of Tokyo, the capital. The nearest city on our map is Uonuma, 16 km to the southeast.

Ojiya at a glance

Where is Ojiya?

• The 18th largest city in Niigata on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 35 min on the shortest day to 14 h 44 min on the longest day (around 21 December and 21 June).

Cities near Ojiya

• Uonuma — 16 km southeast
• Nagaoka — 17 km north
• Tōkamachi — 19 km south
• Kashiwazaki — 23 km west
• Minamiuonuma — 25 km south
• Mitsuke — 28 km northeast
• Sanjō — 38 km north
• Tsubame — 42 km north
• Jōetsu — 53 km west
• Shirone — 55 km north

Largest cities in Niigata

• Niigata — 797,591
• Nagaoka — 266,936
• Jōetsu — 189,430
• Shibata — 96,236
• Sanjō — 94,642
• Kashiwazaki — 86,183
• Tsubame — 77,382
• Niitsu-honchō — 65,910
• Murakami — 58,300
• Minamiuonuma — 55,354

Largest cities in Japan

• Tokyo — 9,733,276
• Yokohama — 3,777,491
• Osaka — 2,753,862
• Nagoya — 2,332,176
• Sapporo — 1,973,832
• Fukuoka — 1,612,392
• Kawasaki — 1,538,262
• Kobe — 1,525,152
• Kyoto — 1,463,723
• Saitama — 1,324,854

Map of Japan and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.