There is one place named De in Japan.
All places in the world called "De".
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)
Yoshida (12)
Okubo (12)
Sakai (12)
Okawa (11)
Kanayama (11)
Hirose (11)
Shinden (11)
Seto (11)
Funakoshi (11)
Kawaguchi (11)
Shimizu (10)
Otani (10)
Takada (10)
Yamada (10)
Ichiba (10)
Ikeda (10)
Kamo (10)