Question: What is the town in which Berghof is Located in?

Context paragraphs:
Berghof (Soelden): The Berghof Sölden is a residence and former farmstead in Sölden, Austria.  The building is one of the original farmsteads in the Sölden region.

Sölden: Sölden is a municipality in the Ötztal valley of Tyrol, Austria.

Obersalzberg: Obersalzberg is a mountainside retreat situated above the market town of Berchtesgaden in Bavaria, Germany.  Located about 120 km southeast of Munich, close to the border with Austria, it is best known as the site of Adolf Hitler's former mountain residence, the Berghof and of the mountaintop Kehlsteinhaus, popularly known in the English-speaking world as the "Eagle's Nest".  All of the Nazi buildings were demolished in the 1950s but the relevant past of the area is subject of the "Dokumentationszentrum Obersalzberg" museum which opened in 1999.

Supporting paragraphs: Berghof (Soelden) Sölden
Answer: the Ötztal valley of Tyrol