Sonderborg is a city/town with a small population in the state/region of
Syddanmark,
Denmark which is located in the continent/region of
Europe.
Cities, towns and places near Sonderborg include Kaer, Sundsmark, Ulkebol and Spang.
The closest major cities include Rendsburg-Eckernforde, Kiel, Kleve and Ostholstein.