Pembroke Dock is a town and a community in Pembrokeshire, South West Wales, 3 miles (4.8 km) northwest of Pembroke on the banks of the River Cleddau. Originally Paterchurch, a small fishing village, Pembroke Dock town expanded rapidly following the construction of the Royal Navy Dockyard in 1814. The Cleddau Bridge links Pembroke Dock with Neyland.

Pembrokeshire is a county in the south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and administrative headquarters of Pembrokeshire County Council.