Gabès, also spelled Cabès, Cabes, Kabes, Gabbs and Gaps, is the capital city of the Gabès Governorate in Tunisia. It is located on the coast of …Gabès, also spelled Cabès, Cabes, Kabes, Gabbs and Gaps, is the capital city of the Gabès Governorate in Tunisia. It is located on the coast of the Gulf of Gabès. With a population of 167,863, Gabès is the 6th largest Tunisian city. Gabes is 327 km away from Tunis and 113 km away from Sfax.