Tombali is one of the eight regions in southern Guinea-Bissau and its capital is Catió. There has not been any local administration since the civil war of 1998-99 and all the social services are done by organs of civil society and other government agencies. It is a coastal region covered with Mangrove swamps, rain forest and tangled forest and receives an annual rainfall of more than 1000 mm
As of 2009, the total population of the region was 91,089, with the urban population being 12,967 and rural being 78,122. The sex ratio of the region is 94 females for every hundred males. As of 2009, the net activity rate was 54.77 per cent, proportion of employed labour force was 37.86 per cent, proportion of labour force was 75.74 and the proportion of potentially active population was 37.86 per cent, with the major economic activity being fishing. The absolute poverty rate, people earning less than $2 a day, in the region stood at 69.1 per cent, with a regional contribution of 11.2 per cent to the national poverty totals.