Châteaubriant is a commune located in the Loire-Atlantique department in western France. It is known for its rich history and beautiful architecture, including the impressive Château de Châteaubriant, a medieval castle that dates back to the 11th century. The town is surrounded by lush countryside, making it a picturesque destination for visitors. The area has a population of around 12,000 residents and offers various cultural and recreational activities. Châteaubriant is also famous for its historical events, particularly during World War II, when it played a significant role in the French Resistance. The town hosts several annual festivals that celebrate its heritage.