San Lorenzo – Warrington. Located on Palmyra Square, this traditional Italian restaurant in Warrington is situated across two floors of the grand Treasury Building on Palmyra Square. This venue showcases live Jazz music and has a contemporary open-plan dining room including an open kitchen area so you can see all your meals prepared by highly skilled chefs. San Lorenzo also has a bar named ‘Charlie’s Bar’ which serves a traditional Venician style dining using ‘small plate’ entitled Cichetti which is perfect with a glass of wine and for sharing with friends.