Stitswerd

Stitswerd is a village in the municipality of Het Hogeland, Groningen, the Netherlands. It had a population of around 45 in January 2017. Stitswerd is located on a "wierde" near the estuary of the former river Fivel.
Stitswerd has the highest postal code in the Netherlands (9999 XL).
History.
It was part of Kantens municipality before 1990, when it became part of Hefshuizen.