There are 3 places named Oto-yama in Japan.
All places in the world called "Oto-yama".
Ono (18)
Ota (17)
Hongo (16)
Minato (15)
Wada (15)
Hama (14)
Tomari (14)
Ohama (14)
Kawasaki (14)
Nakamura (13)
Oshima (13)
Hara (13)
Nagahama (13)
Okubo (12)
Sakai (12)
Yoshida (12)
Shinden (11)
Seto (11)
Kawaguchi (11)
Funakoshi (11)
Okawa (11)
Kanayama (11)
Hirose (11)
Oura (10)
Nakayama (10)
Shirahama (10)
Otani (10)
Shimizu (10)
Yamada (10)
Ichiba (10)