Rimini is a city in northeastern Italy with a population of around 148,908 people. It has an area of 135.71 square km and is located 5 meters above sea level along the coast of the Adriatic Sea. Rimini experienced its golden period during Roman times when it was an important colonial port. Several important historical structures still remain from this era, including the Arch of Augustus, one of the oldest surviving arches, and the Tiberius Bridge, a familiar landmark on the Rimini skyline dating back to the Roman Empire. Tourism is a major industry for Rimini, with around 10 million visitors annually, many attracted by the beaches in summer and historical sites in winter.