The Castilian wedge amid Leonese lands Historical milestone · Guijo de Ávila, Guijuelo, Salamanca Image of Guijo de Ávila, not of the place itself. Resettled from Ávila at the beginning of the twelfth century within the sexmo of Serrezuela, the village remained the westernmost Castilian territory: a boundary marker surrounded on three quarters of its perimeter by Leonese lands, a situation that only ended in the nineteenth century. siglo XII Photo: Hovallef (CC BY-SA 4.0) What to see and do in Guijo de Ávila