Right in the main square, near the town hall, the turreted gate, and the great "Sturinalto" fountain, it's the place to go for any information you might need: where to buy an adaptor for your camera-charger, what festivals are going to be on in the district when you come next year, what time there's a bus to X, where you should go to catch it, how to find a hotel during the 'festival del disegno' (Fabriano's excellent "festival of drawings", which attracts visitors from all over the world). Friendly, helpful, highly intelligent staff.