Map of Nagaoka, Japan

Nagaoka is a city in Niigata, Japan, with a population of about 266,936. It lies at 37.4500°N, 138.8500°E. Nagaoka is about 210 km (130 mi) north of Tokyo, the capital. The nearest city on our map is Mitsuke, 12 km to the northeast.

Nagaoka at a glance

Where is Nagaoka?

• The 2nd largest city in Niigata on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 34 min on the shortest day to 14 h 45 min on the longest day (around 21 December and 21 June).

Cities near Nagaoka

• Mitsuke — 12 km northeast
• Ojiya — 17 km south
• Sanjō — 21 km northeast
• Tsubame — 25 km north
• Uonuma — 25 km southeast
• Kashiwazaki — 28 km west
• Tōkamachi — 36 km south
• Shirone — 38 km northeast
• Minamiuonuma — 41 km south
• Gosen — 42 km northeast

Largest cities in Niigata

• Niigata — 797,591
• 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
• Tōkamachi — 53,333

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.