What is the town called alone the river Kitzbuhler ache in in Tyrol where Christoph Wahrstotter was born.
Christoph Wahrstötter:  He was born in Kitzbühel. Kitzbühel: Kitzbühel (] ) is a small medieval town situated along the river Kitzbuhler Ache in Tyrol, Austria and the administrative centre of the Kitzbühel district ("Bezirk").
He was born in Kitzbühel.