County of Sicily with Robert Guiscard. In fact, the seat of Roger I's government was the Calabrian town of Mileto. According to the historians Agostino Inveges and Matteo Camera Roger I started to use the title ""Great Count of Sicily and Calabria"" since 1096. After the death of Roger I the major change was the transfer of the capital: Palermo became the capital in 1112, when Roger II was invested with the County, after the regency of the mother Adelaide del Vasto. With this change, Sicily come to be governed by the central government, while the Calabrian territories became a provincial administrative unit.
Metropolitan City of Rome Capital exercise the functions of Metropolitan mayor, presiding over a Metropolitan Council formed by 24 mayors of municipalities within the Metro. The first Metropolitan Council of the City was elected on 5 October 2014: Metropolitan City of Rome Capital Metropolitan City of Rome Capital () is metropolitan city in the Lazio region, Italy. Comprises the Rome and suburbs - 120 other municipalities ("comuni"). With more than 4.3 millions inhabitants, it is the largest metropolitan city in Italy. It replaced the Province of Rome. It was firstly created by the reform of local authorities (Law 142/1990) and then established by the Law