Montparnasse – Bienvenüe (French pronunciation: ​[mɔ̃paʁnas bjɛ̃vəny]) is a station of the Paris Métro which is a transfer point between lines 4, 6, 12 and 13. It is the fourth busiest station on the metro system and is located in Montparnasse at the intersection of the 6th, 14th and 15th arrondissements.