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,
Spanish Wall wall, about and two arches, are now part of a local park. The wall was listed on the United States National Register of Historic Places in 1974, a time when Pohnpei was part of the US-administered Trust Territory of the Pacific Islands. Spanish Wall The Spanish Wall is the deteriorating remnant of Spanish Fort Alphonso XIII in Kolonia, the capital of Pohnpei State in the Federated States of Micronesia. When built, the wall was about in length and in height with a parapet that ranged in height from . The wall was built by Spanish administrators of Pohnpei in 1887