A position locating system for locating a current position of a mobile terminal includes an imaging section, an image acquisition section, a matching section, and a position locating section. The imaging section is configured to capture a surroundings image of surroundings of the mobile terminal using a camera provided at the mobile terminal. The image acquisition section is configured to acquire over a network images similar to the surroundings image and associated with position information regarding an imaging location. The matching section is configured to perform image matching between the surroundings image and the images acquired by the image acquisition section so as to find a single image that is a match for the surroundings image. The position locating section is configured to locate the current position of the mobile terminal from the position information associated with the single image.