Manche, named after the French term for the English Channel that separates the country from Britain, has played host to a Tour stage 23 times since 2011, most recently in 2013 when an individual time-trial ended at Mont Saint-Michel.
Mont Saint-Michel is a UNESCO world heritage site.
The exact town that will host the 'Grand Depart' will be revealed at a press conference on December 9.
The 2015 edition, where Italian Vincenzo Nibali will be defending his title, will begin in Utrecht in the Netherlands.