Washiyama.
Nishiyama.
Minamiyama.
Kitayama.
Iwayama.
Takayama.
Nekoyama.
Hakoyama.
Ishiyama.
Higashiyama.
Shikayama.
In Japanese, "taka" means Hawk, or Eagle.
I think you will find that it's Akiyama, which means 'autumn mountain'. 秋山 (akiyama) is a common surname in Japan.