The imperial Karvansara of the Fatehpur Sikri palace complex stands to the north and west of the Hathi Pol, just south of the Hiran Minar. Consisting of an enclosed courtyard, it is fortified by octagonal bastions at its corners.
Sources:
Rizvi, Saiyid Athar Abbas. Fathpur-Sikri. Bombay: D. B. Taraporevala Sons, 1975.