Ayllón

For a surname, see Ayllon (surname).

Ayllón (Spanish pronunciation: [ajˈʎon]) is a municipality located in the province of Segovia, Castile and León, Spain. According to the 2019 census (INE), the municipality had a population of 1,196 inhabitants.

Ayllón
Municipality
Flag Coat of arms
Ayllón Location in Spain. Show map of Castile and León Ayllón Ayllón (Spain) Show map of Spain
Coordinates: 41°25′10″N 3°22′35″W
Country	Spain
Autonomous community	Castile and León
Province	Segovia
Municipality	Ayllón
Area
• Total	128.95 km2 (49.79 sq mi)
Elevation	1,019 m (3,343 ft)
Population  (2024)[1]
• Total	1,105
• Density	8.569/km2 (22.19/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Website	Official website

In 1411 a treaty, known as the Treaty of Ayllón, was signed between Portugal and Castile ending the wars of the Interregnum.

Plaza mayor with the medieval market.