Simancas is an administrative
neighborhood
A neighbourhood (British English, Irish English, Australian English and Canadian English) or neighborhood (American English; see spelling differences) is a geographically localised community within a larger city, town, suburb or rural area, ...
(''barrio'') of
Madrid belonging to the district of
San Blas-Canillejas. It has an area of . As of 1 February 2020, it has a population of 28,799.
References
{{coord, 40, 25, 41, N, 3, 37, 31, W, type:city(150000)_region:ES, display=title
Wards of Madrid
San Blas-Canillejas