Places Starting with "Pen" in Wales and Cornwall

The name Pendennis appears in both regions:

• Pendennis Castle – a Henry VIII artillery fort on Pendennis Point in Falmouth, Cornwall, England.
• Pembroke – a historic town in Pembrokeshire, Wales (though "Pembroke" starts with "Pem-", not "Pen-").

Other notable "Pen-" names:

• Cornwall: Penzance, Penryn, Penwith, Pentire.
• Wales: Penarth, Pencoed, Penmaenmawr, Penrhyndeudraeth.

"Pen" derives from Brittonic penn ("head, hill, promontory"), common in both Cornish and Welsh place-names.