There are 4 places named Kogawa in Japan.
All places in the world called "Kogawa".
Ono (18)
Ota (17)
Hongo (16)
Minato (15)
Wada (15)
Hama (14)
Ohama (14)
Tomari (14)
Kawasaki (14)
Nakamura (13)
Oshima (13)
Hara (13)
Nagahama (13)
Yoshida (12)
Okubo (12)
Sakai (12)
Kawaguchi (11)
Funakoshi (11)
Shinden (11)
Seto (11)
Okawa (11)
Kanayama (11)
Hirose (11)
Nakayama (10)
Takata (10)
Oura (10)
Otani (10)
Ichiba (10)
Shirahama (10)
Ikeda (10)