Wullen is a city-district of Witten-Annen, which is a part of the City of Witten, (North Rhine-Westphalia, Germany). Wullen is placed about 3 kilometres northeast of the City of Witten.

• 1019: First mentioned.
• 1809: French soldiers occupy the village, with other villages of the area it became part of the "Mairie Witten".
• 1885: Incorporation with the "Landkreis Hoerde"
• 1929: Incorporation with Witten.
• 1991–1993: The campus of the Witten/Herdecke University was built in Wullen.

• uni-wh.de, official website of the university (German)

51°27′23.73″N 7°21′33.31″E / 51.4565917°N 7.3592528°E / 51.4565917; 7.3592528