[twobone]

Need help with Barcelona and area trip 12 days

Family of 4 travelling in July
Flying in and out of barcelona. Total trip duration in 12 days.
Need help deciding in itinerary.
How many days in Barcelona?
Do we go north or south from Barcelona?
Planning to rent a car and use airbnb and vrbo along the way.

What's the best loop?
Boys are 15 and 10.
Looking for variety so we feel like we have had the Spanish experience
Thanks