Q: Generate a correct and concise answer for the question based on the words in the context.
Context : The Aachen Altar (de: Aachener Altar) or Passion Altar (Passionsaltar) is a late gothic passion triptych in the Aachen Cathedral Treasury, made by the so-called Master of the Aachen Altar around 1515/20 in Cologne, Germany.
Question : What is the name of the place where Aachen Altar can be found?
A:
Aachen Cathedral Treasury