Noirmoutier-en-l’Île is a commune on the island of Noirmoutier in the Vendée department of the Pays-de-la-Loire region in western France.

The island was first inhabited by Neolithic tribes around 4000 BC, and later by the Celts, who gave it the name Noirmoutier, meaning "Black Monastery".

The Romans conquered the island in the 1st century AD, and it became part of the Roman province of Gallia Aquitania.

In the 6th century AD, the island was evangelized by Saint Philibert of Jumièges, who founded a monastery on the island.

Noirmoutier was besieged and captured by the Vikings in the 9th century AD, and they renamed it "Nordmanner-Lager", meaning "Viking's Camp".

The island was retaken from the Vikings by the Duke of Aquitaine in the 10th century AD, and it became part of the Duchy of Aquitaine.

In the 12th century AD, Noirmoutier became part of the Kingdom of France, and it remained part of France until the French Revolution.

During the French Revolution, Noirmoutier was briefly captured by the Vendéan rebels, who were defeated by the French Republican Army.

In the 19th century AD, Noirmoutier became a popular tourist destination, and it is now one of the most popular tourist destinations in the Vendée department.

The island is known for its beautiful beaches, its charming villages, and its delicious seafood.

The population of Noirmoutier-en-l’Île is around 4,500 people, and the main industries on the island are tourism and fishing.

The island is home to a number of historical landmarks, including the Château de Noirmoutier, the Église Saint-Philibert, and the Musée de l'Île de Noirmoutier.

Noirmoutier-en-l’Île is a popular destination for hikers, cyclists, and birdwatchers, and it is also home to a number of festivals and events throughout the year.

The island is not a UNESCO World Heritage Site, but it is home to a number of protected natural areas, including the Réserve Naturelle Nationale de l'Île de Noirmoutier.