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