An electronic device according to various embodiments may include: a first housing; a second housing coupled to the first housing and configured to be slidable in a first direction; a flexible display having one end fixed to one of the first housing and the second housing, and including an information display area visible from the outside of the electronic device and configured to increase and/or decrease based on sliding of the second housing; and a hinge device including a hinge rotatably connecting the second housing to the first housing, wherein a rotation shaft of the hinge device may be inserted into an accommodation part extending in the first direction such that the rotation shaft is movable in the first direction in a process in which the second housing rotates relative to the first housing.