Onzonilla is a municipality located in the province of León, Castile and León, Spain. At the 2011 census (INE), the municipality had a population of 1,761 inhabitants.
References
- ^ National Statistics Institute (13 December 2025). “Municipal Register of Spain of 2025”.
42°32′N 5°35′W / 42.533°N 5.583°W
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