Zuiryu-ji Temple (Omihachiman City), which was founded by Nisshu (Tomo), the mother of Hidetsugu and an older sister of Hideyoshi TOYOTOMI, was relocated in 1961 to the location where the Honmaru (the keep of a castle) once stood.
本丸跡には秀次の母・豊臣秀吉の姉の日秀(智)が開基の瑞龍寺(近江八幡市)が昭和36年（1961年）に移転されている。