Pat's or Geno's? For years in South Philly the topic of debate has been - who is the king of the Philly cheesesteak? These purveyors of this great Philly culinary institution have been waging the battle of the best of Philly face to face. These "dining establishments" are at the same cross streets of 9th Street, Wharton and Passyunk Avenues in the heart of South Philly. Click on the pictures to find out about Pat's and Geno's