Which preposition to use with villeggiatura

at Occurrences 2%

I was making, with my wife and son, our villeggiatura at Porto d'Anzio, then a miserable fishing village, but, except Civita Vecchia, the only convenient seaside locality in the States of the Church where one could find lodgings.

in Occurrences 1%

Why is winter the season of villeggiatura in England?

Which preposition to use with  villeggiatura