Assaba (Arabic: ولاية العصابة, romanized: Wilāyat Alʻṣābah) is a region in southern Mauritania, covering an area of 36,600 square km.

The Aoukar basin, which formerly gave name to the greater region, is located in the north and the east of the central part of Assaba.

[3] As of 2008, the activity percentage was 46.00 and the economic dependency ratio was 1.13.

[7] As of 2008, the percentage of households confirming the existence of public telephones in their neighbourhood or village was 78.24, households benefiting from electricity posts in their neighbourhood was 2.91, households benefitting from health centers or health posts in their neighbourhood was 4.85 and households benefiting from sanitary services was 1.66.

[8] As of 2008, the literacy rate for people aged 15 years and over was 50.30 percent.