Matsuho Battery Site
Awaji, Japan · built 1861
The Tokushima Domain Matsuho Battery (, Tokushima-han Matsuho Daiba-ato) was a Bakumatsu period coastal artillery battery erected by Tokushima Domain on the Seto Inland Sea coast of what is now the Iwaya neighborhood of the city of Awaji, Hyōgo Prefecture in the Kansai region of Japan. The ruins were designated a National Historic Site in 2006, with the area under protection extended in 2011
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).