Papa Gino's is a chain of pizza restaurants in the United States. They specialize in pizzas that are American style as well as sub sandwiches, pasta, salads and a number of different appetizers. You can find more than 150 Papa Gino's pizza restaurants in the United States. They are located in Rhode Island, New Hampshire, Massachusetts, Maine and Connecticut. Papa Gino's was founded in Boston, Massachusetts, in the year 1961 by Helen and Michael Valerio. There are currently more than 155 locations in the United States' New England area with plans to expand their business to other states.