There is one place named Omogawa in Japan.
All places in the world called "Omogawa".
Ono (18)
Ota (17)
Hongo (16)
Minato (15)
Wada (15)
Kawasaki (14)
Hama (14)
Tomari (14)
Ohama (14)
Nakamura (13)
Hara (13)
Nagahama (13)
Oshima (13)
Okubo (12)
Sakai (12)
Yoshida (12)
Hirose (11)
Shinden (11)
Seto (11)
Funakoshi (11)
Kawaguchi (11)
Okawa (11)
Kanayama (11)
Ogawa (10)
Ohara (10)
Takata (10)
Nakayama (10)
Oura (10)
Shirahama (10)
Otani (10)