The villa can be visited solely on request and a reservation is needed in the Masséna Museum.
Wikipedia https://fr.wikipedia.org/wiki/Prieuré_du_Vieux_Logis
Official website http://nice.fr/Culture/Musees-et-expositions/Prieure-du-Vieux-Logis
Phone +33 4 93 91 19 10
Address 59 Avenue de Saint-Barthélemy, 06100 Nice, France
Coordinates 43°43'14.557" N 7°15'18.01" E