Buleleng regency is bordered by the java sea in the north, the bali strait in the west, karangasem in the east, and jembrana, bangli, tabanan and badung regencies in the south.
Kabupaten buleleng mawatesan sareng laut jawa ring sisi kaler, selat bali ring siis kauh, karangasem ring sisi kangin miwah tabanan saha badung ring sisi kelod.