An imaging position determination device includes an image reception unit that acquires an image and a position of a person within a monitoring area, an eye state detection unit that detects an open and closed state of eyes of a person from the image acquired by the image reception unit, an eye state map creation unit that creates an eye state map which shows an eye state of the person in the monitoring area based on the open and closed state of eyes of the person that is acquired by the eye state detection unit, and an adjustment amount estimation unit that determines an imaging position of the person in the monitoring area based on the eye state map that is created by the eye state map creation unit.