A display apparatus includes: a plurality of external device interfaces (10) which is connectable with an external device; an address setting unit (20) which sets a logical address corresponding to the external device, if the external device interface (10) is connected with the external device; a UI (user interface) generator (30) which generates UI information to control the external device; and a controller (50) which controls the UI generator (30) to display an external device menu window showing a type of the external device according to the logical address corresponding to the external device, on the display unit.