Map of Karatsu, Japan

Karatsu is a city in Saga, Japan, with a population of about 117,663. It lies at 33.4425°N, 129.9697°E. Karatsu is about 924 km (574 mi) west of Tokyo, the capital. The nearest city on our map is Imarichō-kō, 21 km to the southwest.

Karatsu at a glance

Where is Karatsu?

• The 2nd largest city in Saga on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 56 min on the shortest day to 14 h 22 min on the longest day (around 21 December and 21 June).

Cities near Karatsu

• Imarichō-kō — 21 km southwest
• Itoshima — 23 km northeast
• Maebaru-chūō — 25 km northeast
• Ogi — 28 km southeast
• Takeo — 28 km south
• Sasebo — 38 km southwest
• Saga — 39 km southeast
• Fukuoka — 45 km northeast
• Ōkawa — 46 km southeast
• Kasuga — 47 km east

Largest cities in Saga

• Saga — 233,301
• Tosu — 74,196
• Imarichō-kō — 57,940
• Takeo — 47,914
• Ogi — 43,952

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.