There are 2 places named Io Dake in Japan.
All places in the world called "Io Dake".
Ono (18)
Ota (17)
Hongo (16)
Minato (15)
Wada (15)
Kawasaki (14)
Hama (14)
Ohama (14)
Tomari (14)
Nakamura (13)
Hara (13)
Nagahama (13)
Oshima (13)
Yoshida (12)
Okubo (12)
Sakai (12)
Hirose (11)
Funakoshi (11)
Kawaguchi (11)
Shinden (11)
Seto (11)
Okawa (11)
Kanayama (11)
Ogawa (10)
Ohara (10)
Nakayama (10)
Takata (10)
Oura (10)
Otani (10)
Shirahama (10)