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