Saint-Philbert-de-Grand-Lieu is a commune located in the Loire-Atlantique department in western France. It is situated near the Grand Lieu Lake, one of the largest natural lakes in the country, which is known for its rich biodiversity and scenic beauty. The commune is part of the Pays de la Loire region and has a population of around 5,000 residents. The town features a mix of historical and modern architecture, with notable landmarks such as the Saint-Philbert Church. The surrounding area offers various outdoor activities, including hiking and birdwatching, making it a popular destination for nature enthusiasts. The local economy is primarily based on agriculture and small businesses.