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.
Capital city of one constituent nation will also be the capital of the state overall, such as London, which is the capital of England and the United Kingdom. Similarly, each of the autonomous communities of Spain and regions of Italy has a capital city, such as Seville or Naples, while Madrid is the capital of the Community of Madrid and the Kingdom of Spain as a whole and Rome is the capital of Italy and the region of Lazio. In the Federal Republic of Germany, each of its constituent states (or "Länder" - plural of "Land") has its own capital city, such