Caravansaries, also known as caravanserais, are buildings that were commonly found in the Middle East and Asia along long-distance trade routes. These structures provided travelers with a place to rest and shelter, as well as stables for their animals. There are several synonyms for the word "caravansaries," including "khan," "serai," and "rest house." These terms describe places that provide similar hospitality services to travelers as caravansaries did. Other synonyms for "caravansaries" include "inn," "lodge," "shelter," and "hostel." These words can all be used to describe places that offer temporary lodging and facilities to travelers on the move.