Palermo (Sicilian Paliemmu) is the capital of the autonomous region of Sicily and the Metropolitan city of Palermo. It is located on a bay on the north coast of Sicily. In the 8th century. Chr., Founded the city flourished especially under the domination of the Arabs and the Normans and the Swabians. Palermo was, inter alia, Residence of Friedrich II. (HRR) and Conrad IV. (HRR). Today, Palermo is with 674,435 inhabitants (December 31, 2015) Italy's fifth largest city and the political and cultural center of Sicily. Current mayor Leoluca Orlando, who was elected on 21 May 2012 for the fourth time to the mayor.