Er bestaan 2 plaatsen met de naam Hiraoka in Japan.
Alle plaatsen in de wereld die "Hiraoka" heten.
Ono (18)
Ota (17)
Hongo (16)
Minato (15)
Wada (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)
Ogawa (10)
Ohara (10)
Nakayama (10)
Takata (10)
Oura (10)
Otani (10)
Shirahama (10)