The Universidade Aberta (Portuguese for Open University) or UAb is a Portuguese distance education public university, created in 1988. Its headquarters are located in Lisbon, it has two regional centres in Coimbra and Porto, and study centres all over Portugal and in Mozambique. Students are required to be at least 21 years old, and to have completed secondary education. Candidates over 25 with no secondary degree can be admitted after having passed the national university access examination or ad hoc examination. Students of Universidade Aberta have their own body of representatives.