 The regency occupies the eastern end of Madura island and also includes numerous islands to the east (primarily Talango, the Sapudi Islands, and the Kangean Islands), the north (the Masalembu Islands), and the south (the Giligenteng Islands) of Madura.It is bordered by the Pamekasan Regency to the west, Madura Strait to the south, and the Java Sea to the north and east.Its administrative capital is Sumenep.