16-Year-Old Girl Missing in Castronuño, Valladolid
Spanish authorities are searching for Sofía M. A., a 16-year-old girl who disappeared from Castronuño, Valladolid, on August 5, 2026. The National Center for Missing Persons (CNDES) has issued a public alert requesting citizen cooperation to locate the teenager, who was last seen leaving her family home.
Physical Description and Last Known Clothing
According to the CNDES and reporting from Europa Press, Sofía M. A. is described as having a normal physical build, standing 1.60 meters tall. She has green eyes and black hair.
While the initial CNDES alert did not specify hair length, El Norte de Castilla provided more granular details regarding her appearance and attire. At the time of her disappearance, she was reportedly wearing:
- Black leggings
- A black short-sleeved t-shirt
- Brown flip-flops
Additional data provided by El Norte de Castilla notes her weight is approximately 50 kilograms.
Circumstances of the Disappearance in Castronuño
The timeline of the disappearance began on August 5, 2026, when Sofía left her residence. While the CNDES alert focuses on the physical search, local reports suggest a domestic catalyst for her departure.
José Ignacio Vázquez, the mayor of Castronuño, indicated that the young woman may have left voluntarily. According to Vázquez, local accounts suggest she departed with friends following a pelea con sus progenitores.
«Es lo que se dice en el pueblo», recalca el regidor, según apunta El Norte de Castilla.
Official Reporting Channels and Public Assistance
The search is currently coordinated through the National Center for Missing Persons (CNDES). The authorities have emphasized that any piece of information, regardless of how insignificant it seems, could be critical to her recovery.

Individuals with information regarding the whereabouts of Sofía M. A. are directed to use the following official channels:
- Guardia Civil: Dial 062
- ANAR Foundation: Dial 116000 (Specialized service for children and adolescents at risk)
Regional Impact and Jurisdictional Response
Castronuño is a small municipality in the province of Valladolid, located within the autonomous community of Castile and León.