Aberlleiniog Castle is a medieval fortification on the Isle of Anglesey in North Wales. It stands near the Menai Strait.

Newcastle Emlyn Castle is a ruined Norman castle in west Wales. It stands above the River Teifi.

Hopton Castle is a ruined medieval fortress near the village of Hopton Heath, close to the border between England and Wales.

Dinefwr Castle is a medieval fortress in south-west Wales. It stands on a hill above the River Tywi. The site is within Dinefwr Park.

Newport Castle stands on the west bank of the River Usk. It lies near the town centre in Newport. The remains date from the 14th century.

Lamphey Bishop's Palace is a medieval palace complex in Pembrokeshire. It served as a residence for the Bishops of St Davids.

Manorbier Castle is a medieval fortress in Pembrokeshire. It dates from the Norman period.

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

Usk Castle is a partly ruined medieval castle in Monmouthshire, South Wales.

Built in the late 18th century, it was not constructed for military defence but as a decorative building with sentimental significance.

The castle was built on the site of a medieval fortified manor, the current structure was designed by architect Thomas Hopper for the wealthy Pennant family.

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.

Bodelwyddan Castle is a historic country house in Denbighshire, North Wales. Although it resembles a fortified structure, it was never built for defence.

Aberystwyth Castle is a striking example of a coastal fortress built during the medieval period in Wales. It's found in the town of Aberystwyth, Ceredigion.

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.

The Castles origins begin with a stone keep built by Gerald de Windsor circa 1100: He married Nest, princess of Deheubarth in or around 1095.

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.