A luggage container with built-in external compartment, which includes a case having an outer side and an inner side and a drawer configured to be slid in and out of the case. The case includes a coupling portion formed on the inner side, the coupling portion protruding from the inner side, and the coupling portion is shaped to receive a fastening element. The case is shaped to form a space between a surface of an object onto which the case is coupled and a surface of the inner side to receive the drawer. The drawer is shaped to remain within the case when the drawer is pulled out of the case such that the case and the drawer are not separated even when the drawer is pulled out maximally.