The Cathedral of Saint-Samson is a historic church located in Dinan, France. It is dedicated to Saint Samson, a Breton saint, and showcases a blend of architectural styles, primarily Romanesque and Gothic. The cathedral features beautiful stained glass windows and intricate stone carvings, reflecting its long history and cultural significance. Construction of the cathedral began in the 12th century and continued over several centuries, leading to various renovations and additions. It serves as a prominent landmark in the region and is an important site for both religious services and tourism, attracting visitors interested in its rich heritage.