Gravensteen

Gravensteen - Credit: Wikimedia Commons

The Gravensteen (Dutch; ) is a medieval castle in the city of Ghent, East Flanders in Belgium. The current castle dates from 1180 and was the residence of the Counts of Flanders until 1353. It was subsequently re-purposed as a court, prison, mint, and even as a cotton factory. It was restored over 1893–1903 and is now a museum and a major landmark in the city. Read more on Wikipedia

type: military installation
date from: 1180

Source: en.wikipedia.org