Photo: 三原市 / Copyrighted free use · Wikimedia Commons
Mihara City
Hiroshima Prefecture · City
Official websiteHiroshima Prefecture page
Mihara City grew from the castle town of Mihara Castle, called the "Floating Castle," and is a transport hub with a Shinkansen station, an airport, and a port. The city has the Niitakayama Castle ruins, linked to Kobayakawa Takakage, and Buttsu-ji Temple, famous for autumn leaves. It is also known for the Mihara Yassa Festival and octopus landings.
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
CastleMihara Castlebuilding in Mihara, Hiroshima Prefecture, Japan
Buddhist templeButtsu-ji TempleBuddhist temple in Hiroshima Prefecture, Japan
CastleNiitakayama Castlecastle ruins in Mihara, Japan
BridgeHiroshima Airport Bridgebridge in Japan
IslandSagijimaisland in Hiroshima, Japan
ShopImabari Shipbuilding Hiroshima ShipyardJapanese shipyard
CastleTakayama CastleJapanese castle
Shinto shrineKarakawa ShrineShinto shrine in Hiroshima Prefecture, Japan
Roadside station (Michi-no-Eki)Michi-no-Eki Mihara Shinmei-no-satoroadside station in Mihara, Hiroshima prefecture, Japan
Roadside station (Michi-no-Eki)Michi-no-Eki Yogansu Hakuryuroadside station in Mihara, Hiroshima prefecture, Japan
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).
National parks in this city
- Setonaikai National ParkTotal park area 673 km²Spans Hyogo, Wakayama, Okayama, Hiroshima, Yamaguchi, Tokushima, Kagawa, Ehime, Oita
Chosen by overlaying the park boundaries (Ministry of the Environment, Biodiversity Center of Japan, "National Park Areas" GIS data, updated April 28, 2025, combined and simplified by NIPPON ATLAS) with municipal boundaries (National Land Numerical Information, January 2021), keeping overlaps of about 0.5 km² or more (approximate). Areas are the land areas from the Ministry of the Environment, "Overview of National Parks" (April 10, 2026). All national parks
Neighboring municipalities
Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).
Other municipalities in Hiroshima Prefecture
The description was written for this site, picking out representative features.