Structure applying millimeter wave antenna module in foldable electronic device

The electronic device according to one embodiment of the present disclosure comprises: a first housing; a second housing coupled to the first housing by a hinge structure to be rotatable about a first axis oriented in a first direction; a first cover for covering a rear surface of the first housing; a second cover for covering a rear surface of the second housing; a flexible display forming a front surface of the electronic device and disposed over the first housing and the second housing; an antenna module; at least one processor electrically connected to the flexible display and the antenna module, in which the hinge structure is arranged in a region having a first width from the first axis in a second direction, the second direction being perpendicular to the first direction, the first housing having a first structure covering the hinge structure within the first width, the first structure has a receiving recess receiving the antenna module, and the at least one processor can be configured to transmit/rece