Map of Kainan, Japan

Kainan is a city in Wakayama, Japan, with a population of about 48,369. It lies at 34.1517°N, 135.2140°E. Kainan is about 443 km (275 mi) west of Tokyo, the capital. The nearest city on our map is Minato, 9 km to the northwest.

Kainan at a glance

Where is Kainan?

• The 6th largest city in Wakayama 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 Kainan

• Minato — 9 km northwest
• Iwade — 14 km northeast
• Hannan — 20 km north
• Kinokawa — 22 km northeast
• Sennan — 22 km north
• Izumisano — 31 km north
• Sumoto — 37 km northwest
• Kishiwada — 38 km north
• Hashimoto — 41 km northeast
• Izumi — 42 km northeast

Largest cities in Wakayama

• Minato — 375,339
• Tanabe — 70,972
• Hashimoto — 61,063
• Kinokawa — 60,592
• Iwade — 53,967

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.