Slagelse, is a city in east Denmark, located in Slagelse municipality on the island of Zealand. It is located about 100 km south-west of Copenhagen. Population is about 36,000.

Hans Christian Andersen studied in the grammar school in this city for a few years but described it as a "nuisance". In the 11th century it had a mint and was an important trading center. The city has an 11th-century church, and nearby is Trælleborg (Trelleborg), a Viking fortress.

Slagelse is twinned with Aberdare, Wales.

Cities and towns in Denmark

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