There are 7 places named Koizumi in Japan.
All places in the world called "Koizumi".
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)
Yoshida (12)
Okubo (12)
Sakai (12)
Kanayama (11)
Hirose (11)
Shinden (11)
Kawaguchi (11)
Seto (11)
Funakoshi (11)
Okawa (11)
Ogawa (10)
Ohara (10)
Takata (10)
Oura (10)
Nakayama (10)
Shirahama (10)
Otani (10)