Depicts the Walls of Ávila. The Walls of Ávila, completed between the 11th and 14th centuries, are the city of Ávila's principal historic feature. These fortifications are the most complete in all of Spain. The work was started in 1090 but most of the defensive wall appears to have been rebuilt in the 12th century. The enclosed area is an irregular rectangle of 31 hectares with a perimeter of some 2,516 meters, including 88 semicircular towers. The walls have an average width of 3 metres and an average height of 12 metres. The nine gates were completed over several different periods. The Puerta de San Vicente (Gate of St Vincent) and the Puerta del Alcazar (Gate of the Fortress) are flanked by twin towers, 20 metres high, linked by a semicircular arch. The apse of the cathedral also forms one of the towers. The city of Ávila is located in the centre of Spain, in the Autonomous Community of Castile and León. Founded in the 11th century to protect the Spanish territories from the Moors, this 'City of Saints and Stones' has maintained its medieval austerity, and is the birthplace of St Teresa and burial place of the Grand Inquisitor, Torquemada. The Old Town of Ávila is a serial property, which includes the walled town of Ávila and four extra-muros Romanesque churches: San Segundo, San Andrés, San Vicente, and San Pedro. In 2007, another three Romanesque churches (San Nicolás, Santa María de la Cabeza, and San Martín) and three convents from the 15th and 16th centuries (La Encarnación, San José and the Real Monasterio de Santo Tomás) were added to the inscribed property. In 1985, the old city of Ávila and its extramural churches were declared a World Heritage site by UNESCO.

A geographical image of Europe

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Spain started the commemorative coin series Patrimonio de la Humanidad de la UNESCO (UNESCO World Heritage) in 2010, commemorating all of Spain's UNESCO World Heritage Sites, which could continue until 2050. The order in which the coin for a specific site is issued coincides with the order in which they were declared a UNESCO World Heritage site.