Nora is an ancient Roman and pre-Roman city located on the southern coast of Sardinia, Italy. It was founded by the Phoenicians in the 8th century BC and later became an important trading port for the Carthaginians and the Romans.

The city of Nora is located on a small peninsula that extends into the Mediterranean Sea. It features a number of ancient ruins, including a Roman amphitheater, a temple to the goddess Tanit, and a forum. The ruins also include a number of well-preserved mosaics, including one depicting the god Neptune.

The city was inhabited for centuries, and its strategic location made it an important center of trade and commerce. It was also a site of conflict during the Punic Wars, as it was held by both the Carthaginians and the Romans at different times.

In addition to its historical significance, Nora is also a popular tourist destination. Visitors can explore the ancient ruins and learn about the city's rich history, as well as enjoy the nearby beaches and natural scenery.

Today, Nora is recognized as a UNESCO World Heritage site, and is considered one of the most important archaeological sites in Italy. Its well-preserved ruins offer a unique glimpse into the ancient history and culture of the Mediterranean region.