An image providing apparatus includes: a user location acquisition unit which acquires locations of users; a barrier adjustment unit which adjusts at least one of a space between a display and a barrier screen, a size of a barrier slot, and a left/right movement amount of the barrier slot at least based on a user's location of at least one of the users; an image generation unit which generates an image of which a view point region is adjusted, by the barrier adjustment unit, to the user's location; and an image output unit which outputs the generated image on a display.