found: Couto, A.M. do. Património histórico de uma aldeia transmontana, 1998?:t.p. (other title: Sapiãos) pref. (Sapiãos is one of the towns which are found in the Município de Boticas, about 3 km. from the city of Boticas) p. 9 (on map: Sapiãos is shown as the second town to the N.E. from Boticas, on the road to Chaves)
found: BGN gaz., Portugal, 1961(Sapiãos; ppl; 41°,42ʹN, 7°,38ʹW; in the district of Vila Real; no others given with same name)
found: GeoNames, algorithmically matched, 2009(ppl; 41°42ʹ00ʺN 007°38ʹ00ʺW)