Pembrokeshire (UK Parliament constituency) Pembrokeshire (UK Parliament constituency) Pembrokeshire () was a parliamentary constituency based on the county of Pembrokeshire in Wales. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system. The Laws in Wales Act 1535 (26 Hen. VIII, c. 26) provided for a single county seat in the House of Commons for each of twelve historic Welsh counties (including Pembrokeshire) and two for Monmouthshire. Using the modern year, starting on 1 January, these parliamentary constituencies were authorised in 1536. In practice, the first known
Pembrokeshire features was a key factor in the establishment of the Pembrokeshire Coast National Park and a number of sites of special scientific interest (SSSIs). In the north of the county are the Preseli Hills, a wide stretch of high moorland supporting sheep farming and some forestry, with many prehistoric sites and the probable source of the bluestones used in the construction of the inner circle of Stonehenge in England. The highest point is Foel Cwmcerwyn at , which is also the highest point in Pembrokeshire. Elsewhere in the county most of the land (86 per cent according to CORINE) is