Saint-Philbert-de-Grand-Lieu is a commune in the Loire-Atlantique department in western France. It is about 400 km southwest of Paris, via Chartres, Le Mans, Angers, and Nantes. The town is twinned with the Welsh suburb of Radyr in Cardiff, Wales's Capital.
Country: France
Region: Pays de la Loire
Area: 58.81 km² (22.71 sq mi)
Elevation: 0–51 m (0–167 ft) · (avg. 8 m or 26 ft)