Castle Sween is a historic ruin located on the west coast of Scotland, near the village of Sween. It is one of the oldest stone castles in the country, dating back to the 12th century. The castle was built by the MacSweens, a powerful clan in the region, and served as a stronghold for many centuries. The castle features a unique design with thick walls and a central courtyard. Its strategic position offers stunning views of the surrounding landscape, including Loch Sween. Today, Castle Sween is a popular site for visitors interested in Scottish history and architecture.