Map of Iwakuni, Japan

Iwakuni is a city in Yamaguchi, Japan, with a population of about 129,125. It lies at 34.1630°N, 132.2200°E. Iwakuni is about 702 km (436 mi) west of Tokyo, the capital. The nearest city on our map is Hatsukaichi, 23 km to the northeast.

Iwakuni at a glance

Where is Iwakuni?

• The 5th largest city in Yamaguchi on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 52 min on the shortest day to 14 h 26 min on the longest day (around 21 December and 21 June).

Cities near Iwakuni

• Hatsukaichi — 23 km northeast
• Kure — 33 km east
• Hiroshima — 34 km northeast
• Hikari — 34 km southwest
• Kudamatsu — 37 km southwest
• Shūnan — 37 km west
• Tokuyama — 39 km west
• Higashihiroshima — 55 km northeast
• Hōfu — 61 km west
• Matsuyama — 62 km southeast

Largest cities in Yamaguchi

• Shimonoseki — 265,684
• Yamaguchi — 193,966
• Ube — 173,733
• Shūnan — 149,632
• Hōfu — 116,925
• Tokuyama — 101,133
• Sanyōonoda — 60,326
• Kudamatsu — 55,887
• Hikari — 51,040
• Hagi — 44,626

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.