A three-dimensional around view providing apparatus for providing a 3D around view through a user interface module included in a vehicle may include a plurality of image pickup units mounted in the vehicle, a depth estimator configured to receive a plurality of images from the plurality of image pickup units and to acquire a plurality of depth maps corresponding to the plurality of images, a controller configured to minimize a depth difference between a first boundary region of a first depth map and a second boundary region of a second depth map. At least one among an autonomous vehicle, a user terminal, and a server according to embodiments of the present disclosure may be associated or integrated with an artificial intelligence (AI) module, a drone (unmanned aerial vehicle (UAV)), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a 5th-generation (5G) service related device, and the like.