Kuroi Castle - Credit: Wikimedia Commons
was a Sengoku period Japanese castle located in what is now the Kasuga-cho neighborhood of the city of Tamba Hyōgo Prefecture, Japan. It was also called or . Famous as the birthplace of Lady Kasuga, the wet nurse of Tokugawa Iemitsu, it ruins have been protected as a National Historic Site since 1989. Read more on Wikipedia
Source: en.wikipedia.org