Oiba is a town and municipality in the Santander Department in northeastern Colombia. Its antipode Oiba borders Guapotá and Confiā¦Oiba is a town and municipality in the Santander Department in northeastern Colombia. Its antipode Oiba borders Guapotá and Confines in the north; Charalá in the east; Guadalupe and Guapotá in the west; and Suaita in the south. The department capital Bucaramanga is 151 kilometres to the north and the national capital Bogotá 270 kilometres to the south.