La Puebla de Arganzón, Spain

La Puebla de Arganzón ; is a municipality located in the province of Burgos, Castile and León, Spain. It is in the Comarca del Ebro and the legal district Miranda de Ebro. According to the INE, the municipality had a population of 529 inhabitants in 2009.La Puebla de Arganzón and the adjacent municipality of Condado de Treviño together constitute the enclave of Treviño, part of the territory of Burgos, surrounded by the Basque province of Álava.La Puebla de Arganzón has a surface area of 18.87km2 with a population of 529 and a population density of 28.03/km2.The municipality of La Puebla de Arganzón is made up of two towns, the more important one sharing the name La Puebla de Arganzón; the other is Villanueva de la Oca, a small rural community.There was older settlement named Arganzón, about a kilometre away from the present La Puebla. Its existence is cited as early as the year 871, but it disappeared in the 18th century.The present Puebla de Arganzón was founded toward the end of the 12th century, at a time of border wars between the kingdoms of Castile and Navarre. It obtained a fuero establishing it as a community in 1191. According to José Joaquín de Landázuri, that fuero was granted by the Navarrese king Sancho VI, not by Alfonso VIII of Castile.