Nusa Lembongan is an island located southeast of Bali, Indonesia at
8°40.906?S 115°27.067?E8.681767°S 115.451117°E. It is part of a group of three islands, Pulau Penida, of which it is the most famous. This island group in turn is part of the Lesser Sunda Islands.
Administratively, the island is part of a subdistrict of Klungkung regency. Nusa Lembongan is one of three small offshore islands which make up a sub-regency of Klungkung, the others being: Nusa Penida and Nusa Ceningan. Nusa Lembongan is the only one of the three islands within the sub-regency to have any tourist infrastructure and is a popular side destination for visitors to Bali