A connector includes a pair of connector housings, a fitting part provided in one connector housing of the pair of connector housings, and a fitted part provided in another connector housing and to which the fitting part is fitted. The fitted part has a frame and a movable housing. The movable housing is arranged within the frame, and is movable in a fitting direction. Timing to complete fitting between the movable housing and the fitting part is different from timing to complete fitting between the frame and the fitting part. The frame and the movable housing have a locking part which temporarily locks the movable housing within the frame. The locking part is restored by releasing the temporary locking in a state in which the fitting between the fitting part and the movable housing is completed. A periphery of the restored locking part is covered with a protection part.