Neapolitan pizza, also known as Naples-style pizza, is a style of pizza made with tomatoes and mozzarella cheese. The tomatoes must be either San Marzano tomatoes or pomodorini del Piennolo del Vesuvio, which grow on the volcanic plains to the south of Mount Vesuvius. The cheese must be mozzarella di bufala campana, a protected designation of origin cheese made with the milk from water buffalo raised in the marshlands of Campania and Lazio in a semi-wild state, or fior di latte, a cow's milk mozzarella created according to the procedure for which it was registered as a traditional speciality guaranteed (TSG). Pizza napoletana is a TSG product in the European Union and the United Kingdom, and the art of its making is included on UNESCO's list of intangible cultural heritage.

Pizza is a traditional Italian dish typically consisting of a flat base of leavened wheat-based dough topped with tomato, cheese, and other ingredients, baked at a high temperature, traditionally in a wood-fired oven.