is a southern Danish
city, seat of the Guldborgsund kommune. It belongs to Region Sjælland. The city
lies on Falster, connected by the 295-meter
-long Frederick IX Bridge
over the Guldborgsund waterway to the island of Lolland. The town has a population
of 16,464 (1 January 2011). Including the satellite town Sundby on the Lolland side, with a popualation of 2,872, the total
population is 19,336.