Korsør is a Danish town and port located out to the Great Belt on the Zealand side just south of where the Great Belt Bridge lands. It was the site of the municipal-council of Korsør municipality - today it is part of Slagelse municipality. It has a population of 14,850 (2006). Korsør is the birthplace of the poet Jens Immanuel Baggesen and boxer Brian Nielsen. The twinning city of Korsør is Police, Poland.