Braine is a commune in the department of Aisne in Hauts-de-France in northern France. Braine existed long before the year 561, when it wa…Braine is a commune in the department of Aisne in Hauts-de-France in northern France. Braine existed long before the year 561, when it was mentioned as a royal palace of Neustrian King Chlotar I. In the 18th century, the counts of Egmont-Pignatelli spent their summers at the Château de Braine, which was known for its gardens by André Le Nôtre. Countess Septimanie d'Egmont a French salonist who invited guests like Rousseau to visit the château. After the French Revolution, the château was demolished.