Help with Europe Itinerary ! First timer doing some travel with my Partner after a wedding in Greece.

Hey everyone! Here’s a summary of my travel itinerary by destination. If you have any recommendations or tips on this itinerary I would love to hear them! Understand it's lots of moving, but we are from Australia & want to get the most out of our time, if we were to drop anything it would be Lisbon :)

We are travelling late May / Early June next year.

• Athens: 3 days (including arrival)
• Ios: 3 days (Bux Party)
• Santorini: 5 days (including attending a wedding)
• Paros: 4 days (including arrival in the morning)
• Rome: 4 days (including arrival in the morning)
• Cinque Terre: 3 days (including arrival mid-day)
• Florence: 4 days (including arrival in the morning)
• Lisbon: 3 days (including arrival in the morning)
• Barcelona: 3 days (including arrival in the morning)
• Paris: 3 days (including arrival in the morning)
• Fly Home