|annexation date||January 26, 2010|
|land area||52.9 sq feet|
Tyncomarus Department is the fifth department of the Slinky Empyre. Founded on 27 January 2010, the land consists of a rectangle of cemented gravel in an alleyway near the Austenasian Imperial Residence.
Tyncomarus Department borders the United Kingdom and the Empire of Austenasia. It is part of Commius Flats, and contains the lowest point in the Slinky Empyre.