Saint-Pierre-d'Oléron, located in the department of Charente-Maritime within the Nouvelle-Aquitaine region of France, is the main town on the Île d'Oléron, the second largest French island after Corsica.

Its history dates back to the Middle Ages, with the first records of the town appearing in the 11th century.

The town's strategic position on the Atlantic coast led to its fortification in the 16th century by Vauban, the renowned military engineer.

Today, Saint-Pierre-d'Oléron is a popular tourist destination, renowned for its beautiful sandy beaches, oyster farming, and traditional architecture.

The town has a population of approximately 7,000 permanent residents, with a significant influx of tourists during the summer months.

Its economy is primarily based on tourism, fishing, and agriculture, particularly oyster farming.

Saint-Pierre-d'Oléron is also known for its cultural heritage, including the 12th-century Church of Saint-Pierre and the 17th-century Citadel.

The town hosts several annual festivals, such as the Fête de la Mer (Festival of the Sea) and the Marché aux Huîtres (Oyster Market).

The town's port is a major departure point for ferries to the mainland and other islands in the region.

Saint-Pierre-d'Oléron played a significant role in French history, serving as a strategic military stronghold during various conflicts.

The town is home to the Musée de l'Île d'Oléron, which showcases the island's rich history and culture.

Its natural beauty has inspired numerous artists throughout history, including the famous French painter Pierre-Auguste Renoir.

Saint-Pierre-d'Oléron is not listed as a UNESCO World Heritage Site.

The town has a small but active scientific community, with research facilities focusing on marine biology and environmental conservation.

The population of Saint-Pierre-d'Oléron has been relatively stable over the past few decades, with a slight increase in recent years due to its growing popularity as a tourist destination.