A Frontier Region
The Beira Interior's towns — Trancoso, Guarda, Covilhã, Belmonte and Sabugal among them — sat astride medieval routes linking Portugal to Castile, and their Jewish communities were shaped by this position, both in ordinary commerce before 1497 and in the clandestine movement of converso families afterward, when crossing the border was itself treated as an offence by the Portuguese crown.
