Naples is the capital of the Campania region in southern Italy, located along the Gulf of Naples between Mount Vesuvius and the Phlegraean Fields. The city has over 2,800 years of history and is known for its rich culture, architecture, art, and gastronomy. It has a dense collection of cultural sites and monuments, including over 400 historical churches. Some of Naples' most prominent landmarks are the Royal Palace, Castel Nuovo, and the Piazza del Plebiscito square. The city also hosts many museums such as the National Archaeological Museum which features artifacts from Pompeii and Herculaneum.