The province of Caserta is a province in the Campania region of Italy. Its capital is the city of Caserta, situated about 36 kilometres (22 mi) by road north of Naples. The province has an area of 2,651.35 square kilometres (1,023.69 sq mi), and had a total population of 924,414 in 2016. The Palace of Caserta is located near to the city, a former royal residence which was constructed for the Bourbon kings of Naples. It was the largest palace and one of the largest buildings erected in Europe during the 18th century. In 1997, the palace was designated a UNESCO World Heritage Site.

Campania is an administrative region of Italy; most of it is in the south-western portion of the Italian peninsula, but it also includes the small Phlegraean Islands and the island of Capri. The capital of the Campania region is Naples. As of 2018, the region had a population of around 5,820,000 people, making it Italy's third most populous region, and, with an area of 13,590 km2 (5,247 sq mi), its most densely populated region. Based on its GDP, Campania is also the most economically productive region in southern Italy and the 7th most productive in the whole country. Naples' urban area, which is in Campania, is the eighth most populous in the European Union. The region is home to 10 of the 58 UNESCO sites in Italy, including Pompeii and Herculaneum, the Royal Palace of Caserta, the Amalfi Coast, the Longobardian Church of Santa Sofia in Benevento and the Historic Centre of Naples. In addition, Campania's Mount Vesuvius is part of the UNESCO World Network of Biosphere Reserves.