Cardiff Castle is a medieval and Victorian-era site in the centre of Cardiff, the capital of Wales.

The site has been strategically important since the Iron Age, and the current stone structure dates mainly from the 12th century.

Castell Dinas Brân is a medieval castle ruin above the town of Llangollen in Denbighshire, North Wales.

Laugharne Castle is beside the River Taf in Carmarthenshire, South Wales. It began as a Norman stronghold before being converted into a Tudor mansion.

Coity Castle is a medieval stronghold situated near Bridgend in South Wales. The site features a combination of Norman military architecture and later domestic buildings.

Caerphilly Castle is one of the largest medieval fortresses in Britain. It stands in the town of Caerphilly, South Wales. The castle is known for its concentric design and large artificial lakes.

Denbigh Castle is a large medieval fortress in Denbighshire, North Wales. It was built during the late 13th century by order of King Edward I. The castle stands on a rocky hill above the town of Denbigh.

Castell Coch is a 19th-century Gothic Revival castle built on medieval foundations. It stands on a wooded hillside near Tongwynlais, just north of Cardiff.

Ogmore Castle is a Norman fortification in the Vale of Glamorgan, South Wales.

Chepstow castle was vital in the defence of the Welsh Marches. Its strategic riverside position made it important for controlling trade and military movement.

Monmouth Castle is a partly ruined Norman stronghold in the historic town of Monmouth, South Wales.

Criccieth Castle stands on a rocky headland on the Llŷn Peninsula in North Wales. It overlooks Cardigan Bay and offers views of Snowdonia National Park.

Castell y Bere is in the Dysynni Valley in Gwynedd, North Wales. It is a remote stone castle built by the native Welsh during the 13th century.

Dolwyddelan Castle stands on a rocky outcrop in the Lledr Valley, Conwy County, North Wales. It is a single-tower keep built during the early 13th century.

Harlech Castle stands on a rocky hill overlooking the Irish Sea in Gwynedd, North Wales. Built during the reign of King Edward I in the late 13th century, it formed part of the English monarch’s chain of castles known as the Iron Ring.

Montgomery Castle is a ruined stone fortress in Powys, Wales. It stands above the market town of Montgomery.

Powis Castle is a medieval fortress with later additions, situated near Welshpool in Powys, Wales.

Raglan Castle stands in Monmouthshire, South Wales. It is one of the last true medieval castles built in Britain. Construction started in the 15th century, making it later than many other Welsh castles.

Dolbadarn Castle stands near the village of Llanberis in Gwynedd, North Wales. It overlooks the waters of Llyn Padarn.

On the edge of the River Seiont in northwest Wales, Caernarfon Castle is a fortress, a symbol of royal ambition, and an enduring link to Wales' exciting medieval past.