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