The best part of Cagliari to stay in depends on what you're looking for. If you want to be close to the beach and enjoy stunning views, the Poetto Beach area is an ideal choice. For those interested in history and architecture, the historic Castello district offers a range of accommodation options amidst the city's ancient walls. The Marina district is perfect for those who enjoy lively nightlife and bustling restaurants, while the Villanova district provides a quieter residential atmosphere.