Nagahama Castle

Nagahama Castle - Credit: Wikimedia Commons

was a Sengoku period flatland-style Japanese castle located in what is now part of the city of Numazu, Shizuoka prefecture. The ruins have been protected as a National Historic Site since 1988, with the area under protection extended in 2002. Read more on Wikipedia

type: military installation
date from: 1590

Source: en.wikipedia.org