Zadar is a Dalmatian city famous for its history and culture, making Zadar a popular tourist city. It is, in fact, the oldest continuously inhabited Croatian city dating back to when it was called Lader by the 9th century BCE Illyrian tribe. This gives Zadar 3,000 years of continuous inhabitance. Zadar sprits many Roman buildings preserved perfectly as well as the countless styles that were added on over the ages. One of the greatest attractions is the famous sea organ, the worlds first such sound art piece that makes harmonic sounds from the waves of the sea.