The Community of Madrid is one of the seventeen autonomous communities of Spain. It is located in the centre of the Iberian Peninsula, and of the Central Plateau. Its capital and largest municipality is the City of Madrid, which is also the capital of the country. The Community of Madrid is bounded to the south and east by Castilla–La Mancha and to the north and west by Castile and León. It was formally created in 1983, based on the limits of the province of Madrid, which was until then conventionally included in the historical region of New Castile.
The Community of Madrid is the third most populous in Spain with 6,825,005 inhabitants mostly concentrated in the metropolitan area of Madrid. It is also the most densely populated autonomous community.
Wikipedia https://en.wikipedia.org/wiki/Community_of_Madrid
Coordinates 40°25'0.137" N -3°42'12.897" E