evidence: Olivenza is a walled city of Templar origin located less than 30 kilometers south of Badajoz, on the eastern margin of the Guadiana river, a place that has always been halfway between the rule of the Spanish and the Portuguese. [...] Olivenza It is a municipality that includes several villages such as Saint George of Alor, which stands out for its Alentejo-influenced chimney, Villarreal de Olivenza, with its connection to Guadiana, San Benito de la Contienda, where better Portuguese is spoken. [...] The consequence is that Olivenza It is a unique place in the Iberian Peninsula that mixes Portuguese and Spanish, forming a unique culture.