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