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 Pembrokeshire from the border with Carmarthenshire westwards to Haverfordwest, then northwards to Fishguard. Some improvements have been made since the 1990s but others were still the subject of discussion in 2014. The A477 from St. Clears to Pembroke Dock is long, of which only are dual carriageway. The Cleddau Bridge carries the A477, connecting South Pembrokeshire with North Pembrokeshire, across the Cleddau Estuary. The A478 traverses eastern Pembrokeshire from Tenby in the south to Cardigan, Ceredigion in the north, a distance of . The A487 is the other major route, running northwest from Haverfordwest to St David's, then northeast following