Typical Breton town located in the Côtes-d'Armor, about forty kilometers from Saint-Brieuc, Plancoët takes place on the banks of the Arguenon, near the beaches of the Emerald Coast.
The town was born in the Gallo-Roman era, forest clearing and partial dismemberment of the parish of Pluduno. It took place then on the Roman road coming from Courseul while passing by the Arguenon. Known for the activity of its mills from the beginning of the 13th century, Plancoët was for several centuries the strategic point of the conflict between the Count of Penthièvre and the Duke of Brittany. Partly destroyed in the 14th century, it became famous again in the 19th century with its numerous tanneries. Its port, built at this time, also played an important role in the economic development of the city, until the arrival of the railway.
Very old, the town of Plancoët still today has an architectural heritage of great interest that reflects the richness of its history.