To provide a mobile terminal that can inform an opposite party about its own present position on a map or a prescribed position with a very small transmission data amount.

The mobile terminal is provided with a position information acquisition means that acquires position information, a transmission means that transmits the position information to other mobile terminal, a reception means that receives the position information sent from other mobile phone, a map data acquisition means that acquires map data within a prescribed range including a position denoted by the position information, and a display means that displays the acquired map data together with a mark denoting the position indicated by the position information.