Full Info view about Abruzzo by Wikipedia.

L'Aquila, Chieti, Pescara, Teramo

You might devided  the Abruzzo in four sub regions like:

• 1 Geography
• 2 History
• 3 Economy
  • 3.1 Tourism and wildlife
• 4 Demographics
• 5 Major Cities
• 6 Transport and mobility
  • 6.1 Airports
  • 6.2 Ports
  • 6.3 Rail services
  • 6.4 Highways
• 7 Government and politics
  • 7.1 Administrative divisions
• 8 Culture
  • 8.1 Dialects
  • 8.2 Medieval and Renaissance hill towns
  • 8.3 Universities
• 9 Notes
• 10 External links