A lens moving unit, comprising a base; a housing movably disposed on the base; a bobbin disposed in the housing; four driving magnets disposed on the housing; wherein the housing comprises a first corner portion, a second corner portion, a third corner portion opposite to the first corner portion, and a fourth corner portion opposite to the second corner portion, wherein the four driving magnets comprise a first driving magnet disposed between the first corner portion and the second corner portion, a second driving magnet disposed between the second corner portion and the third corner portion, a third driving magnet disposed between the third corner portion and the fourth corner portion, and a fourth driving magnet disposed between the fourth corner portion and the first corner portion; a first coil disposed on the bobbin and facing the driving magnet; four second coils disposed on the base and each second coil disposed at a position corresponding to one of the four driving magnets; an upper support member connecting an upper portion of the bobbin and an upper portion of the housing; a bottom support member connecting a lower portion of the bobbin and a lower portion of the housing; a lateral support member coupled with the upper support member and the bottom support member and movably supporting the housing with respect to the base characterized by further comprising: a sensing magnet disposed on the bobbin; a position detection sensor positioned at the housing and configured to detect the sensing magnet; and a correction magnet disposed on the bobbin and being opposite to the sensing magnet, wherein the sensing magnet is disposed at a position corresponding to the first corner portion of the housing, and wherein the correction magnet is disposed at a position corresponding to the third corner portion of the housing. a base; a housing movably disposed on the base; a bobbin disposed in the housing; four driving magnets disposed on the housing; wherein the housing comprises a first corner portion, a second corner portion, a third corner portion opposite to the first corner portion, and a fourth corner portion opposite to the second corner portion, wherein the four driving magnets comprise a first driving magnet disposed between the first corner portion and the second corner portion, a second driving magnet disposed between the second corner portion and the third corner portion, a third driving magnet disposed between the third corner portion and the fourth corner portion, and a fourth driving magnet disposed between the fourth corner portion and the first corner portion; four driving magnets disposed on the housing; wherein the housing comprises a first corner portion, a second corner portion, a third corner portion opposite to the first corner portion, and a fourth corner portion opposite to the second corner portion, wherein the four driving magnets comprise a first driving magnet disposed between the first corner portion and the second corner portion, a second driving magnet disposed between the second corner portion and the third corner portion, a third driving magnet disposed between the third corner portion and the fourth corner portion, and a fourth driving magnet disposed between the fourth corner portion and the first corner portion; a first coil disposed on the bobbin and facing the driving magnet; four second coils disposed on the base and each second coil disposed at a position corresponding to one of the four driving magnets; an upper support member connecting an upper portion of the bobbin and an upper portion of the housing; a bottom support member connecting a lower portion of the bobbin and a lower portion of the housing; a lateral support member coupled with the upper support member and the bottom support member and movably supporting the housing with respect to the base characterized by further comprising: a sensing magnet disposed on the bobbin; a position detection sensor positioned at the housing and configured to detect the sensing magnet; and a correction magnet disposed on the bobbin and being opposite to the sensing magnet, wherein the sensing magnet is disposed at a position corresponding to the first corner portion of the housing, and wherein the correction magnet is disposed at a position corresponding to the third corner portion of the housing.