Touggourt is a city and commune, former sultanate and capital of Touggourt District, in Touggourt Province, Algeria, built next to an oasis in the Sahara. As of the 2008 census, the commune had a population of 39,409 people, up from 32,940 in 1998, and an annual growth rate of 1.8%. Touggourt's urban area includes the communes of Nezla, Tebesbest and Zaouia El Abidia, for a total population of 146,108.

In ecology, an oasis is a fertile area of a desert or semi-desert environment that sustains plant life and provides habitat for animals. Surface water and land may be present, or water may only be accessible from wells or underground channels created by humans. In geography, an oasis may be a current or past rest stop on a transportation route, or less-than-verdant location that nonetheless provides access to underground water through deep wells created and maintained by humans.