Nusa Penida is an island southeast of Indonesia's island Bali and a district of Klungkung Regency that includes the neighbouring small island of Nusa Lembongan and twelve even smaller islands. The Badung Strait separates the island and Bali. The interior of Nusa Penida is hilly with a maximum altitude of 524 metres. It is drier than the nearby island of Bali. It is one of the major tourist attractions among the three Nusa islands and is rich in natural beauty.
There are thirteen small islands nearby - Nusa Lembongan, Nusa Ceningan and eleven even smaller - which are included within the district. Administratively, the kecamatan of the same name, had a population of 45,110 at the 2010 census, covering 202.8 km2, very little changed from 10 years prior.