Brittany is not a region but severals, different in many ways.
Landscapes, architecture, gastronomy, culture, language itself differs depending on whether you are in Ille-et-Vilaine, Côtes d’Armor, Finistère or Morbihan.
Ille-et-Vilaine is the department of "Haute Bretagne", in the eastern part of Brittany, with the region of Rennes, as opposed to "Basse Bretagne", the western part.
The north-east quarter of Brittany has many tourist sites:
The Mont Saint Michel ;
Saint-Malo, Dinard, La Rance;
Fougères, Chateaubriand, Combourg;
Rennes, with its historic center;
Dinard, seaside resort