Disclosed is a display apparatus, capable of adjusting an image based on a location and a type of ambient light source. The display apparatus includes: a display; a housing supporting the display; a sensor disposed in the housing and configured to detect a quantity of entering light; and a processor configured to: based on an arrangement angle of the sensor and the detected quantity of the entering light, identify a location of a light source; and in response to the identified location of the light source, adjust a quality of an image displayed on the display.