“The Northeast of Portugal, Trás-os-Montes, is a province for the most daring traveler, because sometimes you can not count on modern comforts. The word “Trás” (behind) describes the region because it is isolated from the rest of the country by mountainous chains and poor communication channels and suffers a pressing poverty that has forced the workers of almost all the towns to emigrate to the big cities or to developed countries of the north of Europe or of Overseas.
It is possible that this old historical region is the most backward of civilized Europe along with the most remote parts and islands of Greece and the interior of Sardinia, Sicily or Yugoslavia…”
Portuguese Tourism Guide