Welcome to the Trieste Italian Restaurant!! Family owned and operated since 1960, Trieste Italian Restaurant has been a local mainstay for 57 years and a dining tradition for its customers. Here you can learn more about our extensive menu and also how to plan your next gathering – Trieste is the perfect place for any occasion. Trieste Italian Restaurant is a Delaware County favorite and a recipient of hundreds of awards over the years. . Come have dinner with us and experience what it is like to have a home cooked meal at a true independent and locally owned restaurant.