emporium
noun [ C ]
old-fashioned uk/ɪmˈpɔːriəm/ usplural emporia | emporiums COMMERCE
a large store selling a large range of goods, or a store selling a particular type of goods:
This chain of discount emporia sells everything from wardrobes to paper clips.
Welcome to the Chocolate Emporium - an online store selling every kind of chocolate imaginable.