- Modern Villalba de los Barros. Town and castle South of Badajoz, Spain. CDJI, ii, ch.162.
- Also spelled 'Villa Alva", "Vila Alva", "Vilalva" and "VilaAlva" in CDJI, ii, ch.162. Do not confuse with Vila Alba, a castle belonging to the Constable Nuno Álvares Pereira near Cuba and Portel Alentejo. See CDJI, ii, ch.151.