Pembroke, Pembrokeshire Pembroke, Pembrokeshire Pembroke (; ) was the founding county town of Pembrokeshire in Wales. Pembroke still features a number of historic buildings, town walls and complexes. It is a community and one of the larger towns in the county with a population of 7,552. Pembroke Castle was the birthplace of Henry Tudor, later to become Henry VII of England. Pembroke Castle, the substantial remains of a stone medieval fortress founded by the Normans in 1093, stands at the Western tip of the peninsular surrounded by water on three sides. The castle was the seat of the powerful Earls of Pembroke
Pembrokeshire to its proximity to the relatively warm Atlantic Ocean. Inland, average temperatures tend to fall 0.5 °C for each 100 metres increase in height. The air pollution rating of Pembrokeshire is "Good", the lowest rating. The rocks in the county were formed between 600 and 290 million years ago. More recent rock formations were eroded when sea levels rose 80 million years ago, at the end of the Cretaceous Period. Around 60 million years ago, the Pembrokeshire landmass emerged through a combination of uplift and falling sea levels; the youngest rocks, from the Carboniferous Period, contain the Pembrokeshire Coalfield. The