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