A camera module comprising: a fixed portion; a movable portion which receives a lens assembly, is coupled to the fixed portion, and moves on a plane perpendicular to an optical axis of the lens assembly; and a guiding portion which is interposed between the fixed portion and the movable portion, configured to move in a first direction with respect to the fixed portion on a plane perpendicular to the optical axis, and to guide a movement of the movable portion with respect to the guiding portion in a second direction perpendicular to the first direction on the plane perpendicular to the optical axis, wherein the guiding portion has an alphabet 'C' shape, at least a side of which is open, characterized by further comprising: a plurality of first balls which are interposed between the fixed portion and the guiding portion and directly contact both the fixed portion and the guiding portion; a plurality of second balls which are interposed between the guiding portion and the movable portion and directly contact both the guiding portion and the movable portion; and a plurality of third balls which are interposed between the fixed portion and the movable portion and directly contact both the fixed portion and the movable portion, wherein the moveable portion is configured to: move in the first direction with the guiding portion while being supported by at least one of the plurality of third balls, and move with respect to the guiding portion in the second direction while being supported by the at least one of the plurality of third balls. a fixed portion; a movable portion which receives a lens assembly, is coupled to the fixed portion, and moves on a plane perpendicular to an optical axis of the lens assembly; and a guiding portion which is interposed between the fixed portion and the movable portion, configured to move in a first direction with respect to the fixed portion on a plane perpendicular to the optical axis, and to guide a movement of the movable portion with respect to the guiding portion in a second direction perpendicular to the first direction on the plane perpendicular to the optical axis, wherein the guiding portion has an alphabet 'C' shape, at least a side of which is open, characterized by further comprising: a plurality of first balls which are interposed between the fixed portion and the guiding portion and directly contact both the fixed portion and the guiding portion; a plurality of second balls which are interposed between the guiding portion and the movable portion and directly contact both the guiding portion and the movable portion; and a plurality of third balls which are interposed between the fixed portion and the movable portion and directly contact both the fixed portion and the movable portion, wherein the moveable portion is configured to: move in the first direction with the guiding portion while being supported by at least one of the plurality of third balls, and move with respect to the guiding portion in the second direction while being supported by the at least one of the plurality of third balls. a plurality of first balls which are interposed between the fixed portion and the guiding portion and directly contact both the fixed portion and the guiding portion; a plurality of second balls which are interposed between the guiding portion and the movable portion and directly contact both the guiding portion and the movable portion; and a plurality of third balls which are interposed between the fixed portion and the movable portion and directly contact both the fixed portion and the movable portion, wherein the moveable portion is configured to: move in the first direction with the guiding portion while being supported by at least one of the plurality of third balls, and move with respect to the guiding portion in the second direction while being supported by the at least one of the plurality of third balls. move in the first direction with the guiding portion while being supported by at least one of the plurality of third balls, and move with respect to the guiding portion in the second direction while being supported by the at least one of the plurality of third balls.