Originally it was meant to be: London (2 days off/de-jet-lag), Cannes (work), Aix-en-Provence and surrounds (holiday/family visit)
One week before departure it became: London, Cannes, Amsterdam (work + 1 day off), Aix-en-Provence and surrounds.
Finally, mid-trip, it became: London, Cannes, Amsterdam, Vienna (work), Aix-en-Provence and very few surrounds, Nice.
16 days, 10 flights, 6 hotels and 1 spare room, 1 rental car, a few trains, several buses, countless taxis.
2.5 days London, 3.5 days Cannes, 2 days Amsterdam, 34 hours Vienna, 2.5 days Aix-en-Provence, 12 hours Nice.
Australia, England, France, Netherlands, Austria, France, England, Australia.