In a display device having a dual view display function, provided is an information processing device which is capable of causing a user who performs an operation to feel an intuitive operation and which is capable of providing a user who does not perform the operation with an improved viewability. The information processing device includes: a display section (16) for concurrently displaying a left image and a right image; an operation section (12) for receiving an operation; an imaging section (13) for taking an image of a hand performing the operation; a hand image generation section (101) for generating, by using the taken image, a hand image representing the hand performing the operation; an operating hand determination section (102) for determining whether the hand performing the operation is the left hand or the right hand; an image determination section for determining whether a viewed image is the left image or the right image; and an execution processing section (104) for causing the left image and the right image having the hand image overlapped thereon to be displayed and for executing processing corresponding to a position on the right image when the right image is determined to be viewed, and for causing the right image and the left image having the hand image overlapped thereon to be displayed and for executing processing corresponding to a position on the left image when the left image is determined to be viewed.