The Gulf of Cagliari is a large bay located on the southern coast of Sardinia, Italy. It is bordered by the city of Cagliari, which serves as the capital of the region. The gulf is known for its beautiful beaches, clear waters, and rich marine biodiversity, making it a popular destination for both locals and tourists. The gulf is also significant for its historical and economic importance. It has been a vital harbor since ancient times, facilitating trade and transportation. Today, the area supports fishing, tourism, and shipping industries, contributing to the local economy and cultural heritage of Sardinia.