Here are the main four shops you'll find their.
Friseur Furfrou: The shop owner will groom and style your Furfrou to increase its looks and speed.
Boutique Couture: You can buy clothes which change everyday.
Herboriste: They sell bitter medicine herbs for your Pokemon here.
Stone Emporium: They sell Fire,Water and Leaf evolution stones here.There is also a guy who sells
Charizardnite,Venasaurite and Blastoisenite.