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Photo: Kekero / CC0 · Wikimedia Commons
Sennan City
Osaka Prefecture · City
Official websiteOsaka Prefecture page
Sennan City, in Sennan, faces Osaka Bay, and beyond the Izumi Mountains lies Wakayama Prefecture. The southern part of Kansai International Airport offshore is in the city, and it is working to boost industry using the airport. The ancient temple site of Kaie-ji and old temples such as Rinsho-ji and Choukei-ji are scattered here, and the Rinku shopping facilities are busy.
Key facts
Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.
Live information
Current weather (observed)
Places to visit
Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).
Neighboring municipalities
Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).
Other municipalities in Osaka Prefecture
The description was written for this site, picking out representative features.