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