Albrechtsburg (castle) built
929 CE.
Shown on the map at 51.167°, 13.471°.
The Albrechtsburg is a Late Gothic castle erected from 1471 till about 1495. It is located in the town centre of Meissen in the German state of Saxony. It is situated on a hill above the river Elbe, adjacent to the Meissen Cathedral.
Text from the Wikipedia article Albrechtsburg, licensed CC BY-SA 4.0.