Isle of Aix (île d'Aix), in the Atlantic Ocean. It is a popular place for tourist day-trips during the summer months. Napoleon famously visited the island in 1808 and gave directions to reinforce the fortifications. He ordered the construction of a house for the commander of the stronghold (today's Musée Napoléon) and the construction of Fort Liedot, named after a colonel killed in the Russian campaign.
In 1809, the Battle of the Basque Roads was a naval battle off the island of Aix between the Royal Navy and the Atlantic Fleet of the French Navy. On the night of 11 April 1809, Captain Thomas Cochrane led a British fireship attack against a squadron of French warships anchored in the Basque Roads. In the attack, all but two of the French ships were driven ashore. The subsequent engagement lasted three days but failed to completely destroy the French fleet.
From 12 to 15 July 1815, Napoleon also spent his last days in France at Île d'Aix, after the defeat at Waterloo, in an attempt to slip past a Royal Navy blockade and escape to North America. Realising the impossibility of accomplishing his plan, he wrote a letter to the British regent and finally surrendered to HMS Bellerophon, which took him to Torbay and Plymouth before he was transferred to Saint Helena.
References:Saint-Georges de Boscherville Abbey is a former Benedictine abbey. It was founded in about 1113 by Guillaume de Tancarville on the site of an earlier establishment of secular canons and settled by monks from the Abbey of Saint-Evroul. The abbey church made of Caumont stone was erected from 1113 to 1140. The Norman builders aimed to have very well-lit naves and they did this by means of tall, large windows, initially made possible by a wooden ceiling, which prevented uplift, although this was replaced by a Gothic vault in the 13th century. The chapter room was built after the abbey church and dates from the last quarter of the 12th century.
The arrival of the Maurist monks in 1659, after the disasters of the Wars of Religion, helped to get the abbey back on a firmer spiritual, architectural and economic footing. They erected a large monastic building one wing of which fitted tightly around the chapter house (which was otherwise left as it was).