Diana is a region in Madagascar at the northern part of the island. It borders the regions of Sava to the southeast and Sofia to the southwest. It covers an area of 19,266 km2, and had a population of 889,736 in 2018.[2] The regional capital is Antsiranana (previously known as Diego Suarez).
Antsiranana is an important tuna fishing port. There is also a tuna canning factory. Other important fishery products are shrimp (2.813.291 kg exported in 2002) and sea cucumber.