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