Rødby is a town located on the island of Lolland in south Denmark. It has a population of 1,957. Until 2007, it was the seat of the former Rødb…Rødby is a town located on the island of Lolland in south Denmark. It has a population of 1,957. Until 2007, it was the seat of the former Rødby Municipality, and is now located in Lolland Municipality in Region Sjælland.