The walls of the Marquis of Santillana Historical milestone · Hita, La Alcarria, Guadalajara Image of Hita, not of the place itself. Íñigo López de Mendoza, marquis of Santillana and lord of the town, ordered it walled in 1441. Of that enclosure there remains the Puerta de Santa María, with a pointed arch and the Mendoza coat of arms, and a good part of the curtain that climbs the hill up to the castle. 1441 Photo: Viquipèdia (CC BY-SA 4.0) What to see and do in Hita