<p>A self-ballasted electrodeless discharge lamp includes a discharge vessel (101) having a cavity (120), an induction coil (103) that is inserted into the cavity (120), a ballast (105) for supplying power to the induction coil (103), a case (106) for covering the ballast (105), and a lamp base (107) provided in the case (106). The discharge vessel (101) is secured to the case (106) via a holder (108). A part (109) of the discharge vessel (101) and a first portion (110) of the holder (108) are engaged with each other to constitute a combination structure. A second portion (111) of the holder (108) and a part (112) of the case (106) are engaged with each other to constitute a combination structure. <IMAGE></p>
