The name of Hanabusa-yama Mountain, one of the Jonan Gozan (five great mountains) in Meguro, comes from Hanabusa's second residence which he had built there when he became Viscount (now in the vicinity of 3-chome, Kami-osaki, Shinagawa Ward).
目黒にある城南五山の一つである花房山は、1911年に花房が子爵に陞爵した際に別邸を構えたことが地名の由来（現在の品川区上大崎三丁目付近）。