The "Kings of Naples" refers to the rulers of the Kingdom of Naples, which was established in the 13th century. This kingdom was part of the larger Kingdom of Sicily and was ruled by various dynasties, including the Angevins and the Aragonese. The kings played a significant role in the political and cultural development of southern Italy. Throughout its history, the Kingdom of Naples experienced numerous conflicts, including struggles for power with neighboring states and internal disputes. The kingdom was eventually absorbed into the Kingdom of Italy in the 19th century, marking the end of the monarchy in Naples.