|• Total||2.51 km2 (0.97 sq mi)|
(31 December 2010)
|• Density||1,487/km2 (3,850/sq mi)|
|Time zone||UTC+1 (CET)|
|• Summer (DST)||UTC+2 (CEST)|
The name is derived from that of the former Carthusian monastery here, Mariefred Charterhouse, and means "Peace of Mary" (the former name was Gripsholm). It lies roughly 50 kilometres west of Stockholm.
The old barn of Gripsholm Castle was a centre for fine arts printmaking, Grafikens Hus ("House of Graphics").
The East Södermanland Railway has a railway museum here with one of the finest collections of 600 mm narrow-gauge passenger railcars anywhere.
Kurt Tucholsky is buried in the town cemetery.
Swedish pop and jazz singer Lisa Ekdahl was raised in Mariefred.
Swedish actor Dolph Lundgren has a summer home in Mariefred, Kalkudden.
Mikael Samuelsson, a former professional ice hockey player in the NHL, was born in Mariefred. Samuelsson is a member of the exclusive Triple Gold Club, having won the Stanley Cup, Olympics, and World Championship.
- "Tätorternas landareal, folkmängd och invånare per km2 2005 och 2010" (in Swedish). Statistics Sweden. 14 December 2011. Archived from the original on 27 January 2012. Retrieved 10 January 2012.