There are 2 places named Onakashima in Japan.
All places in the world called "Onakashima".
Ono (18)
Ota (17)
Hongo (16)
Wada (15)
Minato (15)
Tomari (14)
Kawasaki (14)
Hama (14)
Ohama (14)
Nakamura (13)
Oshima (13)
Hara (13)
Nagahama (13)
Yoshida (12)
Okubo (12)
Sakai (12)
Okawa (11)
Kanayama (11)
Hirose (11)
Kawaguchi (11)
Funakoshi (11)
Shinden (11)
Seto (11)
Ichiba (10)
Ikeda (10)
Kamo (10)
Shimizu (10)
Yamada (10)
Takada (10)
Ogawa (10)