Preseli Pembrokeshire (UK Parliament constituency) most recent election in 2017, Crabb's majority was less than 1%. The constituency was created in 1997 from parts of the seats of Ceredigion and Pembroke North and Pembroke. It comprises the north and west coasts of Pembrokeshire and areas inland. It is the most westerly constituency in Wales. Much of the coastal area is in the Pembrokeshire Coast National Park. On its creation in 1997, its boundaries were co-terminous with the then District of Preseli Pembrokeshire. Since the 2006 boundary review of Welsh parliamentary constituencies, which took effect at the 2010 general election, it consists of the Pembrokeshire County
Pembrokeshire have developed along the Milford Haven Waterway and the county has attracted other major ventures. In 2016, the Rt. Hon. Stephen Crabb, then Welsh Secretary, commented in a government press release: ""...with a buoyant local economy, Pembrokeshire is punching above its weight across the UK."" Until the 12th century, a great extent of Pembrokeshire was virgin woodland. Clearance in the lowland south began under Anglo-Flemish colonisation and under mediaeval tenancies in other areas. Such was the extent of development that by the 16th century there was a shortage of timber in the county. Little is known about mediaeval farming methods,