Morbihan is a department in the northwest of France named after the Morbihan (small sea in Breton), the enclosed sea that's the principal feature of the coastline. History Morbihan is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from part of the Duchy of Brittany. Geography Morbihan is part of the current region of Bretagne and is surrounded by the departments of Finistère,… (More on Morbihan)