Dagana is one of the 46 departments of Senegal and one of the three departments of the north-western region of Saint-Louis. The capital is Dagana.
There are five communes; Dagana, Richard Toll, Rosso (Senegal), Gaé and Ross Béthio
Rural districts (communautés rurales) comprise:
The Siren of Good Intentions a novel by J. E. Mooney, . Mooney was a Peace Corps volunteer in Bokhol in the mid-1970s.