Dinefwr Castle is a historic site located in Carmarthenshire, Wales. It dates back to the 12th century and was originally built by the Normans. The castle is situated on a hill, offering stunning views of the surrounding landscape, including the nearby Dinefwr Park, which is a designated National Nature Reserve. The castle features impressive stone walls and a well-preserved tower, showcasing medieval architecture. It was once the seat of the Kingdom of Deheubarth and played a significant role in Welsh history. Today, Dinefwr Castle is a popular tourist attraction, allowing visitors to explore its rich heritage and scenic grounds.