Which preposition to use with maryborough

with Occurrences 1%

In defiance of the remonstrances made by Rinuccini and eight of the bishops, the treaty proceeded;[a] and the nuncio believing, or pretending to believe, that he was a prisoner in Kilkenny, escaped in the night over the wall of the city, and was received at Maryborough with open arms by his friend O'Neil.[b]

Which preposition to use with  maryborough