Aïn Témouchent is located 72 km (or 44.7 miles) south-west of Oran, a city with which it is closely associated, and 63 km (or 39.1 miles) west of Sidi Bel Abbès.

Known as "la Florissante", it is set in a narrow, fertile basaltic valley amid vineyards and orchards.

The town was founded in 1851 by Spanish immigrants, who built on what had been the site of Roman Albulae and Arab Ksar ibn Senar.

[3] Prior to the end of colonization, the region was a large producer of wine.

A loan of 83.5 million USD granted by the World Bank to the Algerian government enabled the rapid reconstruction of the city, among the best developed in Algeria: a new city, a hospital, a one-hectare public garden, were built and inaugurated in December 2003.