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