 Other colleges include Tijuana University Center, Tijuana University of Technology, Graduate Center of the Northwest, and the University of Professional Development.The city is the seat of the Colegio de la Frontera Norte (COLEF), an institution of scientific research and higher education, specializing in the study of the problems in the border region between Mexico and the United States.In August 2009, Metropolitan UABC opened in Valle de Las Palmas, in the Tijuana metropolitan area.