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