1. An electronic device for selecting an area of interest, the electronic device comprising: a display configured to display an image; and a controller configured to: if a touch input is received, control the display to display a selection start point at a position on which the touch input is inputted from a user, wherein the selection start point is fixed on the display, if a drag input is received, generate a trace of the selection start point drawn on the image along a movement of the image according to the drag input, wherein the trace of the selection start point is drawn on the image in an opposite direction of the movement of the image, control the display to display the trace of the selection start point on the image, and determine an area of the image corresponding to the trace of the selection start point, as a selection area.