Niedorp (Dutch: [ˈnidɔr(ə)p]; West Frisian: Nierup) is a former municipality in the north-western Netherlands, in the province of North Holland and the region of West-Frisia. Niedorp, as well as Barsingerhorn, located in the former municipality of Niedorp, received city rights in 1415. Since 2012 Niedorp is a part of the new municipality of Hollands Kroon.