I’m in Paris now, but was just in Nice for five nights. Loved my time at The Riviera! I just used quick trains and cheap buses to get everywhere - very handy. I stayed at the Hotel Regence on Rue Masséna which was a perfect location for me, and a quick tram ride back up the hill to the train station.
One town I liked immensely for photos, for relaxing at their beach, and for the Italian food was Menton. If you go, be sure to walk to the Italian section for fantastic hues of building colors! I stopped in briefly at Monaco on the way back to Nice, mainly to get my passport officially stamped. : )
I’ll be posting a Trip Report in a few weeks of this trip.