Lombok Island located in West Nusa Tenggara province, Indonesia. It is part of the chain of the Lesser Sunda Islands, with the Lombok Strait separating it from Bali to the west and the Alas Strait between it and Sumbawa to the east. It is roughly circular, with a "tail" to the southwest, about 70 km across and a total area of about 4,725 km².

Lombok has much in common with nearby Bali, but less well-known and less-visited by foreigners. It has been working to increase its visibility to tourists in recent years, promoting itself as an "unspoiled Bali". The most-developed center of tourism is Senggigi, spread in a 10-kilometer strip along the coastal road north of Mataram, while backpackers congregate in the Gili Islands off the west coast. Other popular tourist destinations include Kuta (distinctly different from Kuta, Bali) where surfing is considered some of the best in the world by leading surfing magazines. The Kuta area is also famous for its beautiful, untouched beaches.

Mountain Rinjani is also amazing place. Rinjani has a steep-sided conical profile when viewed from the east, but the west side of the compound volcano is truncated by the 6 x 8.5 km, oval-shaped Segara Anak caldera. Segara Anak Lake is situated inside the caldera. The western half of the caldera contains a 230-m-deep lake whose crescentic form results from growth of the post-caldera cone Barujari at the east end of the caldera.

he Lombok Strait marks the passage of the biogeographical division between the fauna of the Indomalayan ecozone and the distinctly different fauna of Australasia that is known as the Wallace Line, for Alfred Russel Wallace, who first remarked upon the distinction between these two major biomes.

The island's topography is dominated by the centrally-located stratovolcano Mount Rinjani, which rises to 3,726 m (12,224 ft), making it the third-largest in Indonesia. The most recent eruption of Rinjani was in June-July, 1994. The volcano, and its sacred crater lake, are protected by a National Park established in 1997. The southern part of the island is a fertile plain where corn, rice, coffee, tobacco, and cotton are grown.

The island's inhabitants are 85% Sasak (a people, closely related to the Balinese, but mostly practising Islam), 10-15% Balinese, with the small remainder being Chinese, Arab, Javanese, and Sumbawanese.