A lens driving device, comprising: a holder member; a bobbin disposed inside the holder member and configured to accommodate at least one lens; a first coil disposed on the bobbin; a plurality of magnets disposed on the holder member and facing the first coil; an upper elastic member coupled to an upper portion of the holder member and an upper portion of the bobbin; a lower elastic member coupled to a lower portion of the holder member and a lower portion of the bobbin; a base disposed at a lower side of the holder member and spaced apart from the holder member; a first circuit board disposed on an upper surface of the base; a second circuit board including a plurality of second coils facing the plurality of magnets, and disposed on an upper surface of the first circuit board; a support member supporting the holder member with respect to the base; and a guide portion (1400, 1500) protruded from the upper surface of the base, wherein the first circuit board is electrically connected with the plurality of second coils, wherein the guide portion (1400, 1500) is integrally formed with the base, wherein the base comprises an opening penetrating through an inside of the base in a vertical direction, wherein the guide portion (1400, 1500) comprises a plurality of first guide portions contacting an inner circumferential surface forming the opening of the base and a plurality of second guide portions contacting an outer circumferential surface of the base, wherein a protruded height of each of the plurality of second guide portions corresponds to a protruded height of each of the plurality of first guide portions, characterized in that the guide portion (1400, 1500) penetrates through the first circuit board and supports a lower surface of the second circuit board, the first circuit board comprises a plurality of first guide grooves formed on an inner circumferential surface, the plurality of first guide portions penetrate through the plurality of first guide grooves, respectively, and an upper surface of each of the plurality of first guide portions supports an inner portion of the lower surface of the second circuit board, the plurality of second guide portions are protruded from the outer circumferential surface of the base so as to be disposed around the outer circumference of the first circuit board, an upper surface of each of the plurality of second guide portions supports an outer portion of the lower surface of the second circuit board, and the first circuit board is configured as flexible circuit board. a holder member; a bobbin disposed inside the holder member and configured to accommodate at least one lens; a first coil disposed on the bobbin; a plurality of magnets disposed on the holder member and facing the first coil; an upper elastic member coupled to an upper portion of the holder member and an upper portion of the bobbin; a lower elastic member coupled to a lower portion of the holder member and a lower portion of the bobbin; a base disposed at a lower side of the holder member and spaced apart from the holder member; a first circuit board disposed on an upper surface of the base; a second circuit board including a plurality of second coils facing the plurality of magnets, and disposed on an upper surface of the first circuit board; a support member supporting the holder member with respect to the base; and a guide portion (1400, 1500) protruded from the upper surface of the base, wherein the first circuit board is electrically connected with the plurality of second coils, wherein the guide portion (1400, 1500) is integrally formed with the base, wherein the base comprises an opening penetrating through an inside of the base in a vertical direction, wherein the guide portion (1400, 1500) comprises a plurality of first guide portions contacting an inner circumferential surface forming the opening of the base and a plurality of second guide portions contacting an outer circumferential surface of the base, wherein a protruded height of each of the plurality of second guide portions corresponds to a protruded height of each of the plurality of first guide portions, characterized in that the guide portion (1400, 1500) penetrates through the first circuit board and supports a lower surface of the second circuit board, the first circuit board comprises a plurality of first guide grooves formed on an inner circumferential surface, the plurality of first guide portions penetrate through the plurality of first guide grooves, respectively, and an upper surface of each of the plurality of first guide portions supports an inner portion of the lower surface of the second circuit board, the plurality of second guide portions are protruded from the outer circumferential surface of the base so as to be disposed around the outer circumference of the first circuit board, an upper surface of each of the plurality of second guide portions supports an outer portion of the lower surface of the second circuit board, and the first circuit board is configured as flexible circuit board.