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