1. A map display system comprising: A. an image capture device including: an image sensor for capturing a subject; a position detector for detecting a location of said image capture device; an azimuth detector for detecting an orientation of said image capture device; and a focal distance detector for detecting a focal distance of a taking lens of said image capture device; B. an display device including: a map image generator for generating a desired map image according to additional information which is composed of said location and said orientation of said image capture device, and said focal distance of said taking lens, said map image covering an area from said location of said image capture device toward said subject, and on which a range of view angle is shown; and a display for displaying a captured image of said subject captured by said image sensor, and said map image generated by said map image generator.