https://www.ine.pt/ngt_server/attachfileu.jsp?look_parentBoui=227154766&att_display=n&att_download=y Adequação dos indicadores à nova organização territorial NUTS III / Entidades Intermunicipais], Instituto Nacional de Estatística, 18 March 2015 Its 15 municipalities occupied an area of 8168 sqkm in the north-east of continental Portugal with an estimated 2008 population of 214,460 inhabitants; thus it constituted approximately 40% of the area, but only 6.1% of the population, of the Norte Region.