This is a list of the ancient counties of Wales as recorded by the 1891 census, ordered by their area. Wales has thirteen historic counties. ...

An acre is an English unit of area, which is also frequently used in the United States and some Commonwealth countries. ... Carmarthenshire (Welsh: ) is a county in Wales. ... Glamorgan or Morgannwg is a maritime traditional county of Wales, UK, and was previously a medieval kingdom or principality. ... Montgomeryshire (Welsh: Sir Drefaldwyn) is an inland traditional county of Wales. ... Brecknockshire, also known as Breconshire or, in Welsh, as Sir Frycheiniog is an inland traditional county of Wales, bounded N. by Radnorshire, E. by Herefordshire and Monmouthshire, S. by Monmouthshire and Glamorgan, and W. by Carmarthenshire and Cardiganshire. ... Cardiganshire (Sir Aberteifi in Welsh) was a traditional county in Wales that existed between 1282 and 1974. ... Merionethshire (Meirionnydd in Welsh) is a traditional county of Wales. ... Denbighshire (Welsh: Sir Ddinbych) is a county in North Wales. ... Pembrokeshire (Welsh: Sir Benfro) is a county in the southwest of Wales in the United Kingdom. ... Caernarfonshire, also known as Carnarvonshire or, in Welsh, as Sir Gaernarfon, is a maritime traditional county of Wales, bounded N. by the Irish Sea, E. by Denbighshire, S. by Cardigan Bay and Merionethshire, and W. by Caernarfon Bay and the Menai Straits, which separates it from Anglesey. ... Monmouthshire is one of thirteen historic counties of Wales, covering south-east Wales. ... Radnorshire (Welsh: Sir Faesyfed) is an inland traditional county of Wales, bounded to the north by Montgomeryshire and Shropshire, to the east by Herefordshire, to the south by Brecknockshire and to the west by Cardiganshire. ... Anglesey (Welsh: , pronounced (IPA)), is an island and county at the northwestern extremity of north Wales. ... Flintshire (Welsh Sir y Fflint) is a county in northern Wales. ...

References

• 1891 census