A hand-held device having positioning and photographing functions and geographical positioning methods thereof is provided. The hand-held device includes a photographing module, a positioning module, a database and a processor. The photographing module photographs environment of a shooting place to form a digital picture. The positioning module accesses a positioning data of the shooting place. The processor matches the positioning data of the shooting place with a geographical positioning condition when the digital picture is obtained, so as to get a target geographical area data corresponding to the shooting place, from all geographical area data. The target geographical area data is displayed on the digital picture corresponding to the shooting place and the geographical positioning condition is an area center data of every geographical area data or plural boundary pointers which include boundary coordinates of every geographical area data.