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,
Capital City Green Capital City Green Capital City Green is the branding of the bus service "27" Cardiff, operated by Cardiff Bus. The route runs from the city centre to the north of the city, serving the Maindy, Heath, Birchgrove and Thornhill districts. The service forms part of the wider Cardiff Bus network and is one of three services to have a unique branding, along with Baycar and Capital City Red. The upgraded service was introduced in 2007 when Cardiff Bus deployed on the route six out of 15 new Scania OmniCity vehicles which it had purchased at a cost of £2.5 million.