Douz is a town in southern Tunisia on the edge of the Sahara, where date-palm oases meet the dunes of the Grand Erg Oriental. The town is often regarded as a gateway to the sandy desert, with dunes beginning close to the built-up area and extending toward the wider Sahara. Palm groves provide a strong contrast to the surrounding dry landscape, while nearby Chott el-Jerid forms a vast salt depression with bright mineral surfaces and mirages. Douz also serves as an important regional center for agriculture, camel herding, markets, and desert tourism.

Douz has strong connections with the Mrazig, a community traditionally associated with nomadic pastoralism and camel herding. Their cultural traditions include knowledge of desert travel, livestock raising, tent life, and camel riding. The town remains an important meeting place for camel breeders and a center for Saharan customs. The weekly market brings together local agricultural and pastoral products, while the Festival of the Sahara presents traditional activities including fantasia, games, camel events, and ceremonies. The Museum of Popular Arts and Traditions in Douz provides further insight into the region's nomadic heritage and everyday life.

The landscape around Douz includes sand dunes, palm groves, salt flats, and small oasis settlements such as Sabria, Nouil, and El Faouar. Camel excursions and guided walks provide access to the dunes, while four-wheel-drive routes extend farther into the desert. Chott el-Jerid lies to the northwest, with a broad salt surface that changes appearance according to light, moisture, and atmospheric conditions. Farther south, Ksar Ghilane combines a palm oasis and hot spring with access to the desert. The unusual formations of Debebcha, where hardened sand has been shaped by erosion, are another regional attraction.

Dates are closely associated with the economy and food traditions of the Douz region, with Deglet Nour among the best-known varieties produced in southern Tunisia. Oasis agriculture also supplies fruits, cereals, and vegetables, while pastoral communities traditionally raise sheep, goats, and camels. Local desert excursions often include meals served in traditional camp settings, giving visitors an opportunity to encounter regional dishes and methods of preparation. The cheche, a long cotton scarf used for protection from sun and sand, is another distinctive item associated with desert life. Douz's combination of oasis agriculture, camel culture, weekly markets, and surrounding dunes gives it a distinct role in southern Tunisia.