La Puebla del Río y las marismas de Doñana Nature · La Puebla del Río, Comarca Metropolitana de Sevilla, Seville The extensive district of La Puebla del Río (375.14 km², the largest in the metropolitan area) shares in seven protected natural areas linked to Doñana park, with Ramsar Convention wetlands home to some 250 bird species and populations of Iberian lynx. The town, founded on 15 July 1272 as 'La Guardia' by grant of Ferdinand III to the council of Seville to defend the river, took its current name in the 1916 reform of the municipal gazetteer. Photo: Abel Maestro Garcia from Asunción, España (Public domain) What to see and do in La Puebla del Río