Sirolo is a comune in the Province of Ancona in the Italian region of Marche. As of 28 February 2009 it had a population of 3,747 inhabita…Sirolo is a comune in the Province of Ancona in the Italian region of Marche. As of 28 February 2009 it had a population of 3,747 inhabitants and an area of 16.68 square kilometres. The town is situated near Monte Conero and in medieval times it was a castle which belonged to the Conti Cortesi family. It is a tourist destination, especially in summer times and it has continuously been awarded one of the eleven blue flags in the region of Marche since 1994. It features a restored medieval town centre, which culminates with a particular little square with view on the sea and on the Monte Conero. As tourist destination, Sirolo has many restaurants and bars. From the main square, there is a 10-minute walk to several beaches.