Abstract: An object of the present invention is to provide an information terminal device that clearly displays routes and directions to be taken, so that users can grasp all the routes from the departure point to the destination point on a portable telephone device or the like having a display unit with a small area, even if the shapes of the streets near the departure point are complicated or even if there is a traffic circle near the departure point. The present invention also provides a method for controlling the information terminal device, a program for controlling the information terminal device, a recording medium on which the program for controlling the information terminal device is recorded, and a communication network.