Map of Iwaki, Japan

Iwaki is a city in Fukushima, Japan, with a population of about 357,309. It lies at 37.0500°N, 140.8833°E. Iwaki is about 185 km (115 mi) northeast of Tokyo, the capital. The nearest city on our map is Kitaibaraki, 32 km to the south.

Iwaki at a glance

Where is Iwaki?

• The largest city in Fukushima on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 37 min on the shortest day to 14 h 43 min on the longest day (around 21 December and 21 June).

Cities near Iwaki

• Kitaibaraki — 32 km south
• Tamura — 49 km northwest
• Sukagawa — 51 km northwest
• Hitachi — 54 km southwest
• Shirakawa — 56 km west
• Kōriyama — 59 km northwest
• Hitachi-ota — 64 km southwest
• Minami-Sōma — 65 km north
• Hitachiomiya — 69 km southwest
• Funaishikawa — 71 km southwest

Largest cities in Fukushima

• Kōriyama — 327,692
• Fukushima — 294,237
• Aizu-Wakamatsu — 118,159
• Sukagawa — 74,992
• Date — 59,625
• Shirakawa — 59,491
• Minami-Sōma — 59,005
• Nihommatsu — 53,557
• Kitakata — 46,269
• Tamura — 35,169

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.