Merci was opened in march 2009 in a 1500sq m old wallpaper factory and is one of the most eclectic general stores of Paris. Located in the heart of the trendy neighbourhood of Le Haut Marais, Merci has a great variety of goods, from interior design, fashion, two cafe and one restaurant. Merci was opened in March 2009 in a 1500 sqm old wallpaper factory and is one of the most eclectic general stores of Paris. Located in the heart of the trendy neighbourhood of Le Haut Marais, Merci has a great variety of goods, from interior design, fashion, two cafés and one restaurant.