How many places in Japan are called O-yama?

There are 4 places named O-yama in Japan.

All places in the world called "O-yama".

Location O-yama:

• Aichi
• Kanagawa
• Tokyo
• Yamaguchi

Cities

Ono (18)
Ota (17)
Hongo (16)
Wada (15)
Minato (15)
Ohama (14)
Tomari (14)
Kawasaki (14)
Hama (14)
Nakamura (13)
Nagahama (13)
Oshima (13)
Hara (13)
Sakai (12)
Yoshida (12)
Okubo (12)
Seto (11)
Okawa (11)
Kanayama (11)
Hirose (11)
Kawaguchi (11)
Funakoshi (11)
Shinden (11)
Otani (10)
Shirahama (10)
Ichiba (10)
Ikeda (10)
Kamo (10)
Shimizu (10)
Yamada (10)