Which preposition to use with fondouk

on Occurrences 1%

A cloud sailing lone and high from the coast of Sousse passed under the moon and everywhere men stirred in their sleep, woke, looked outfrom their tents on the cactus steppes, from fondouks on the camel tracks of the west, from marble courts of Kairwan....

outside Occurrences 1%

In a fondouk outside the gate a waking camel lifted a gargling wail.

Which preposition to use with  fondouk