Which preposition to use with chatelet

without Occurrences 1%

The mob would have liked to serve the Bastille the same; but the duke told the rioters that he would give the prisoners up to them if they would engage to conduct them to the Chatelet without doing them any harm, and, to win them over, he grasped the hand of their head man, who was no other than Capeluche, the city executioner.

Which preposition to use with  chatelet