Cagliari is a beautiful city with a mix of architectural styles and layers of history that visitors will want to discover. Here are some of the top things to see and do in Cagliari:

1. Castello District: This hilltop citadel is Cagliaris most iconic image, with its domes, towers, and palazzi, once home to the citys aristocracy, rising above the sturdy ramparts. Visitors can explore the narrow streets on foot and enjoy nice viewpoints along the ramparts. The Giardino Sotto Le Mura, located below the ramparts, is a great place to rest a bit in the shades, and visitors can also take the elevator to Saint Remy Bastion.

2. Cagliari Cathedral: Built in the 13th century, the cathedral is relatively reserved on the outside, but the interior is richly decorated with frescoes, paintings, and sculptures.

3. National Archaeological Museum: This museum showcases artifacts spanning Sardinias history, including prehistoric, Phoenician, Punic, Roman, and medieval times.

4. Poetto Beach: An easy bus ride from the center, Cagliaris fabulous Poetto beach extends for 7km beyond the green Promontorio di SantElia, nicknamed the Sella del Diavolo.

5. San Benedetto Market: This market is a great place to experience the local culture and cuisine. Visitors can find fresh seafood, meats, cheeses, fruits, and vegetables.

6. Bastione di Saint Remy: This is a great place to enjoy panoramic views of the city and the sea. The protected reed-fringed wetlands of the Parco Naturale Regionale Molentargius lie slightly east of Cagliari towards Quartu SantElena.

7. Botanical Gardens: Home to more than 3000 species of flora, the gardens are located directly between Villa di Tigellio and the Roman Amphitheater and are definitely one of the best places to visit in Cagliari.

8. Nuragica: This is a great place to visit for those interested in archeological sites. Visitors can explore the remains of ancient burial tombs.

9. Santuario e Basilica di Bonaria: This is a beautiful church located on a hill overlooking the sea. Visitors can enjoy panoramic views of the city and the sea from here.

10. Wine Tasting Tour: Visitors can go for a wine tasting tour in Serdiana and Dolianova, two small towns at.

Cagliari is a great destination for a long weekend, and visitors can enjoy the many things to do and see in the city.