Apparatus and method for providing augmented reality based on x-ray view

PURPOSE: An augmented reality supplying apparatus and a method thereof are provided to supply augmented reality information of an object and to reduce data transfer load. CONSTITUTION: A first extracting unit(102) extracts a first environment map. A second extracting unit(103) sets up an extension area based extended area around a location of a detected terminal. The second extracting unit extracts one or more second environment maps. The second environment map is defined as an environment map corresponding to the fixed extended area.