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