There are 5 places named Nagaoka in Japan.
All places in the world called "Nagaoka".
Ono (18)
Ota (17)
Hongo (16)
Wada (15)
Minato (15)
Tomari (14)
Kawasaki (14)
Hama (14)
Ohama (14)
Nakamura (13)
Hara (13)
Nagahama (13)
Oshima (13)
Yoshida (12)
Okubo (12)
Sakai (12)
Okawa (11)
Kanayama (11)
Hirose (11)
Kawaguchi (11)
Funakoshi (11)
Shinden (11)
Seto (11)
Ichiba (10)
Ikeda (10)
Kamo (10)
Shimizu (10)
Yamada (10)
Takada (10)
Ogawa (10)