They are nine day that begin December 16 and end December 24.
Posadas represents the Saint Joseph and the Blessed Virgin's troubles to find room when travelling to Belem.
It is specially celebrated in Mexico.
Posadas is also a city in northwestern Argentina, capital of the Misiones Province. Population 296,500 (2003).
Posadas is a town in Córdoba, Andalusia, Spain; see Posadas, Córdoba.