A foldable device includes a flexible display including a first portion, a second portion, and a third portion disposed between the first portion and the second portion; a body including a first support portion which supports the first portion of the flexible display, a second support portion which supports the second portion of the flexible display, and a third support portion which supports the third portion of the flexible display; a hinge including a first rotation axis which connects the first support portion to the third support portion, and a second rotation axis which connects the second support portion to the third support portion; and at least one slot hole which shifts the first rotation axis and the second rotation axis along an inner surface of the at least one slot hole when the first support portion and the second support portion rotate.