The Universidad Nacional Abierta y a Distancia (UNAD) is a national public university in Colombia. Its main campus is located in the city of Bogotá, on the José Celestino Mutis campus.

Since its foundation, the university has offered technical, technological, professional and postgraduate training through virtual education.3 It has 73 higher education programmes, including technological, professional and master's degrees. It currently has more than 165,000 students, making it the largest university in the country.