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