Cagliari is a municipality located on the island of Sardinia, which serves as an autonomous region of Italy. It functions as the capital and is the largest city on the island. Ranking as the 27th largest city in Italy, it serves as a primary urban center for the region.
The city has a population of approximately 145,981 inhabitants. Its surrounding metropolitan city includes 69 nearby municipalities with a combined population of about 536,245. Additionally, the functional urban area and commuting zone for Cagliari is reported by Eurostat to have a population of 476,975.