Holyhead Quarry

Ysgol Uwchradd Caergybi is a secondary school in Holyhead, Anglesey. It claims to be the first comprehensive school in England and Wales, opening in 1949 as Holyhead County School.

Royal Air Force Holyhead or more simply RAF Holyhead is a former Royal Air Force station situated at Holyhead, Anglesey, Wales. It was the most westerly RAF base in Great Britain. The former headquarters building was Porth-y-felin House, a Grade II listed building that was sold by the Ministry of Defence in the 1990s.

Holyhead Lifeboat Station (Welsh: Gorsaf Bad Achub Caergybi) is a Royal National Lifeboat Institution (RNLI) lifeboat station in the coastal town of Holyhead, Anglesey, Wales. It is one of the three oldest lifeboat stations situated on the North Wales coast, a disused building of which houses the Holyhead Maritime Museum.

Pont-Hwfa (also Pont Hwfa) is a village in the community of Caergybi, Ynys Môn, Wales, which is 140.8 miles (226.6 km) from Cardiff and 227.5 miles (366.1 km) from London.

Porth-y-Felin is an area of Caergybi, Ynys Môn, Wales, which is 141 miles (226.9 km) from Cardiff and 227.4 miles (365.9 km) from London.