A camera module, comprising: a liquid lens comprising an electrode (335, 345); and a holder in which the liquid lens is disposed, wherein the holder comprises: a first body portion comprising a first hole formed therein; a second body portion spaced apart from the first body portion, the second body portion comprising a second hole formed therein so as to correspond to the first hole; and a side portion connecting the first body portion and the second body portion to each other, wherein the second body portion comprises a support portion protruding upwards towards the liquid lens while enclosing the second hole, and wherein the support portion comprises a side surface, a pair of upper surfaces (524a, 524a-1), and a pair of stepped surfaces (524b, 524-b 1), characterized in that the support portion supports the liquid lens on its pair of upper surfaces (524a, 524a-1), the second body portion further comprises: a step formed between the stepped surfaces (524b, 524-b 1) and the upper surfaces (524a, 524a-1) wherein a protruding portion is protruding upwards in a linear shape from the stepped surfaces (524b, 524-b1) of the support portion, at least a portion of each of the pair of stepped surfaces (524b, 524-b 1) is contiguous with the second hole, a difference in height between the pair of upper surfaces (524a, 524a-1) and the pair of stepped surfaces (524b, 524-b 1) of the support portion is greater than a height of the protruding portion. a liquid lens comprising an electrode (335, 345); and a holder in which the liquid lens is disposed, wherein the holder comprises: a first body portion comprising a first hole formed therein; a second body portion spaced apart from the first body portion, the second body portion comprising a second hole formed therein so as to correspond to the first hole; and a side portion connecting the first body portion and the second body portion to each other, wherein the second body portion comprises a support portion protruding upwards towards the liquid lens while enclosing the second hole, and wherein the support portion comprises a side surface, a pair of upper surfaces (524a, 524a-1), and a pair of stepped surfaces (524b, 524-b 1), characterized in that the support portion supports the liquid lens on its pair of upper surfaces (524a, 524a-1), the second body portion further comprises: a step formed between the stepped surfaces (524b, 524-b 1) and the upper surfaces (524a, 524a-1) wherein a protruding portion is protruding upwards in a linear shape from the stepped surfaces (524b, 524-b1) of the support portion, at least a portion of each of the pair of stepped surfaces (524b, 524-b 1) is contiguous with the second hole, a difference in height between the pair of upper surfaces (524a, 524a-1) and the pair of stepped surfaces (524b, 524-b 1) of the support portion is greater than a height of the protruding portion. a first body portion comprising a first hole formed therein; a second body portion spaced apart from the first body portion, the second body portion comprising a second hole formed therein so as to correspond to the first hole; and a side portion connecting the first body portion and the second body portion to each other, wherein the second body portion comprises a support portion protruding upwards towards the liquid lens while enclosing the second hole, and wherein the support portion comprises a side surface, a pair of upper surfaces (524a, 524a-1), and a pair of stepped surfaces (524b, 524-b 1), characterized in that the support portion supports the liquid lens on its pair of upper surfaces (524a, 524a-1), the second body portion further comprises: a step formed between the stepped surfaces (524b, 524-b 1) and the upper surfaces (524a, 524a-1) wherein a protruding portion is protruding upwards in a linear shape from the stepped surfaces (524b, 524-b1) of the support portion, at least a portion of each of the pair of stepped surfaces (524b, 524-b 1) is contiguous with the second hole, a difference in height between the pair of upper surfaces (524a, 524a-1) and the pair of stepped surfaces (524b, 524-b 1) of the support portion is greater than a height of the protruding portion. a step formed between the stepped surfaces (524b, 524-b 1) and the upper surfaces (524a, 524a-1) wherein a protruding portion is protruding upwards in a linear shape from the stepped surfaces (524b, 524-b1) of the support portion, at least a portion of each of the pair of stepped surfaces (524b, 524-b 1) is contiguous with the second hole, a difference in height between the pair of upper surfaces (524a, 524a-1) and the pair of stepped surfaces (524b, 524-b 1) of the support portion is greater than a height of the protruding portion.