Question: where are the hogwarts houses located?
Answer: Gryffindor Common Room — located in Gryffindor Tower, through the Fat Lady's portrait. Hufflepuff Common Room — located in Hufflepuff Basement, below ground level behind a stack of barrels near the kitchens. Ravenclaw Common Room — located in Ravenclaw Tower, beyond a bronze eagle-shaped knocker that poses a riddle.