250 Forbes AvenuePittsburgh, PA 15222 Phone: +1 412-281-5557Fax: +1 412-281-5558Toll Free: +877-STAY-HGI Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 197 - Hoteliers! Is your information accurate? Update Here Hilton Garden Inn Pittsburgh Downtown Location & Neighborhood Located in the heart of Market Square in downtown Pittsburgh - 17 MI from Pittsburgh Intl airport.