- About Us ~ Menu~ Lunch Dinner Wine list Specials Contact Party & Dinner Trays Location Welcome to the Trieste Restaurant Family owned and at the same location for 40 years, the Trieste has been offering fine dining in a casual atmosphere with moderate prices ~ perfect for the entire family. Located: 641 Chester Pike, Prospect Park, PA A look inside and you can see why the Trieste has enjoyed ...www.idelco.com/trieste