A viewpoint location computation device that computes a viewpoint location of a driver includes: a first estimated viewpoint location computation unit that computes a first estimated viewpoint location based on the angle of the right side-view mirror and a driver's seating center plane of the vehicle; a second estimated viewpoint computation unit that computes a second estimated viewpoint location based on the angle of the left side-view mirror and the driver's seating center plane of the vehicle; an identical condition determination unit that determines whether the estimated viewpoint locations are identical; and a viewpoint location computation unit that computes the estimated viewpoint location as the viewpoint location of the driver when it is determined that the estimated viewpoint locations are identical, wherein the viewpoint location computation unit computes the viewpoint location based on the estimated viewpoint locations when it is determined that the respective estimated viewpoint locations are not identical.