The Monti Marsicani (or 'Marsicano',) are the sixth-highest group of Apennines located in the Abruzzo region, mostly in the Province of L’Aquila and partly in the Province of Frosinone and Province of Isernia. The highest peak is Monte Greco (2285m). They are limited in north by the Fucino plateau and Peligna Valley, on the east by the River Gizio and , on the south by the Valley Sangro and Volturno, on the east by valley Liri and Melfa.