Ceredigion sources of income. Ceredigion's population at the 2011 UK census was 75,900. Its largest town, Aberystwyth, is one of its two administrative centres, the other being Aberaeron. Aberystwyth houses Aberystwyth University, Bronglais Hospital and the National Library of Wales. Lampeter is home to part of the University of Wales Trinity Saint David. Ceredigion has been inhabited since prehistoric times. A total of 170 hill forts and enclosures have been identified across the county and there are many standing stones dating back to the Bronze Age. Around the time of the Roman invasion of Britain, the area was between the realms
Welsh football league system Alliance. The champions of each of these leagues can be promoted to the Welsh Premier League, subject to acceptable ground facilities, and if the champions cannot meet the criteria the runner-up team may be considered. In the north the Cymru Alliance has only one division, and has a feeder league structure of its own with three regional leagues feeding it—the Mid Wales League (covering Powys and Ceredigion) the Welsh Alliance League (covering all of the north except Wrexham) and the Welsh National League (Wrexham Area) (covering the small region around Wrexham). Again, the champions or runners-up of these leagues can