Rotunda of Galerius, Thessaloniki

The Rotunda of Galerius is an impressive circular Roman temple located in the center of Thessaloniki. It was built in the 4th century AD and was originally dedicated to the Roman Emperor Galerius. Today, it serves as a museum and is a popular destination for tourists interested in ancient history. Visitors can admire the beautiful mosaics and frescoes inside the temple, as well as the outstanding architecture of the building.