Which preposition to use with uffizi

in Occurrences 2%

But I might remark here that this vain and capricious pontiff, whose pride and indecision robbed the world of no one can ever say what glorious work from Michelangelo's hand, is the benevolent-looking old man whose portrait by Raphael is in the Pitti and Uffizi in colour, in the Corsini Palace in charcoal, and again in our own National Gallery in colour.

at Occurrences 1%

The best extant illustration of it in sculpture is the famous group of the Pankratiasts (commonly called the Luttatori) in the Tribune of the Uffizi at Florence.

Which preposition to use with  uffizi