Cillán is a municipality located in the province of Ávila, Castile and León, Spain.

According to the 2006 census (INE), the municipality had a population of 128 inhabitants.

According to the Codex Mendoza, the city was conquered under the reign of Tizoc and subsequently incorporated into the Aztec Empire This article about a location in the province of Ávila, Spain, is a stub.

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