Flag of Sicily Autonomous Region of Sicily on 4 January 2000, after the passing of an apposite law which advocates its use on public buildings, schools, city halls, and all the other places in which Sicily is represented. The flag is bisected diagonally into regions colored red and yellow, red representing the municipality of Palermo, yellow representing Corleone, which in medieval times was an agricultural city of renown. Palermo and Corleone were the first two cities to found a confederation against the Angevin rule. Today, the triskelion (or "trisceli") is also widely considered the actual symbol of Sicily. The symbol is also known
Capital city meaning "head". In several English-speaking states, the terms county town and county seat are also used in lower subdivisions. In some unitary states, subnational capitals may be known as "administrative centres". The capital is often the largest city of its constituent, though not always. Historically, the major economic centre of a state or region often becomes the focal point of political power, and becomes a capital through conquest or federation. (The modern capital city has, however, not always existed: in medieval Western Europe, an itinerant (wandering) government was common.) Examples are Ancient Babylon, Abbasid Baghdad, Ancient Athens, Rome, Constantinople, Chang'an,