Cimiez is an upper-class neighborhood in Nice, Southern France. The area contains the Musée Matisse and the ruins of Cemenelum, capital of the Ancient Roman province Alpes Maritimae on the Ligurian coast. Cemenelum was an important rival of Nice, continuing to exist as a separate city till the time of the Lombard invasions. The ruins include an arena, amphitheater, thermal baths, and paleochristian basilica.