Complex sentence: The Maiella (or Majella) is a massif in the Central Apennines, in Abruzzo, central Italy, at the boundary between the provinces of Chieti, Pescara and L'Aquila.
Split into simpler sentences: The Maiella (or Majella) is a massif in the Central Apennines, in Abruzzo, central Italy. The mountain is located at the boundary between the provinces of Chieti, Pescara and L'Aquila.