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 Australia are Adelaide; Brisbane; Hobart; Melbourne; Perth; and Sydney. In Australia, the term "capital cities" is regularly used to refer to the aforementioned state capitals plus the federal capital Canberra and Darwin, the capital of the Northern Territory. Abu Dhabi is the capital city of the Emirate of Abu Dhabi and the United Arab Emirates overall. In unitary states which consist of multiple constituent nations, such as the United Kingdom or the Kingdom of Denmark, each will usually have its own capital city. Unlike in federations, there is usually not a separate national capital, but rather the capital city