Provence Alpes Cote d'Azur (PACA) Hotels & AccommodationProvence-Alpes-Cote d'Azur (PACA) is one of the 26 regions of France. It is made up of the former French province of Provence, the former papal territory of Avignon, known as Comtat Venaissin, the former Sardinian-Piedmontese county of Nice, whose coastline is known as the French Riviera or the Cote d'Azur, the southeastern part of the former French province of Dauphine, in the French Alps.