The Royal Spanish Academy is Spain's official royal institution with a mission to ensure the stability of the Spanish language. It is based in Madrid, Spain, but is affiliated with national language academies in 22 other hispanophone nations through the Association of Academies of the Spanish Language. The RAE's emblem is a fiery crucible, and its motto is Limpia, fija y da esplendor.
The RAE dedicates itself to language planning by applying linguistic prescription aimed at promoting linguistic unity within and between various territories, to ensure a common standard. The proposed language guidelines are shown in a number of works.
Wikipedia https://en.wikipedia.org/wiki/Royal_Spanish_Academy
Address 4 Calle de Felipe IV, Madrid 28014, Spain
Coordinates 40°24'53.846" N -3°41'27.06" E