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
Creuddyn, Ceredigion of Deheubarth ruled in medieval Kingdom of Ceredigion, including Creuddyn. Rhys ap Gruffydd's grandson Maelgwn Fychan (d. 1257) battled for control of the area; Gwenllian (d. 1254) died at Llanfihangel-y-Creuddyn. Either Maelgwn or his grandsons Llywelyn or Rhys may have been responsible for building the large 13th century church which still stands today. Creuddyn, Ceredigion Creuddyn was a medieval commote (Welsh: "cwmwd") and, later, a lordship in Ceredigion, Wales. It was located between the rivers Ystwyth and Rheidol, and was one of the three commotes of Cantref Penweddig. The name, of Old Welsh origin, probably refers to the Pen Dinas