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 prime economic, cultural, or intellectual centres of a nation or an empire are sometimes referred to as primate cities. Examples are Athens, Bangkok, Brussels, Buenos Aires, Copenhagen, Cairo, London, Mexico City, Paris, Seoul and Tokyo. News media will often use the name of a capital city as an alternative name for the country of which it is the capital or of the government that is seated there, as a form of metonymy. For example, "relations between Washington and London" refer to "relations between the United States and the United Kingdom". The word "capital" derives from the Latin "caput" (genitive "capitis"),