Map of Sennan, Japan

Sennan is a city in Osaka, Japan, with a population of about 60,102. It lies at 34.3484°N, 135.2684°E. Sennan is about 429 km (267 mi) west of Tokyo, the capital. The nearest city on our map is Hannan, 2 km to the southwest.

Sennan at a glance

Where is Sennan?

• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 51 min on the shortest day to 14 h 27 min on the longest day (around 21 December and 21 June).

Cities near Sennan

• Hannan — 2 km southwest
• Izumisano — 9 km northeast
• Iwade — 12 km south
• Kinokawa — 16 km southeast
• Kishiwada — 16 km northeast
• Minato — 18 km southwest
• Izumiōtsu — 21 km northeast
• Izumi — 21 km northeast
• Kainan — 22 km south
• Takaishi — 24 km northeast

Largest cities in Osaka

• Osaka — 2,753,862
• Sakai — 826,161
• Higashi-ōsaka — 493,940
• Hirakata — 406,331
• Toyonaka — 401,558
• Takatsuki — 354,468
• Ibaraki — 287,730
• Yao — 273,213
• Neyagawa — 238,549
• Kishiwada — 205,561

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.