The Monti delle Mainarde, also known just as Le Mainarde, is a range of calcareous mountains on the border between the regions of Lazio and Molise in southern central Italy.
 It is the southern extension of the Monti della Meta.
 The highest peak is Monte Cavallo, at 2039 m. Tributaries of the Melfa flow to the south-west from its western flanks, and tributaries of the Volturno to the south-east from its eastern side.
 Most of the range lies within the Parco Nazionale d'Abruzzo.
The Melfa is a river in Lazio.
 It rises in the Monti della Meta, flows south-west for about 40 km and joins the Liri near San Giovanni Incarico.
Abruzzo (] ) is a region of Italy in Southern Italy, with an area of 10,763 square km (4,156 sq mi) and a population of 1.3 million.
 Its western border lies 80 km east of Rome.
 The region is divided into the four provinces of L'Aquila, Teramo, Pescara, and Chieti.
 Abruzzo borders the region of Marche to the north, Lazio to the west and south-west, Molise to the south-east, and the Adriatic Sea to the east.
 Geographically, Abruzzo is divided into a mountainous area to the west, which includes the Gran Sasso D'italia, and a coastal area to the east with beaches on the Adriatic sea.
 Abruzzo is considered culturally, linguistically, historically, and economically a region of Southern Italy, although geographically it may also be considered central.
 The Italian Statistical Authority (ISTAT) deems it to be part of Southern Italy, partially because of Abruzzo's historic association with the Kingdom of the Two Sicilies.
The Monti della Meta are a massif of central Italy located around the junction point of the boundaries between the regions of Lazio, Abruzzo and Molise.
 The major of three massifs of the Parco Nazionale d'Abruzzo, Lazio e Molise, they take their name from one of the peaks, Monte Meta.
Valle Castellana is a village and "comune" in the Province of Teramo, in the Abruzzo region of central Italy.
 It is a member of the Italian community of surrounding mountain villages, Monti della Laga.
 It is located in the natural park known as the Gran Sasso e Monti della Laga National Park.
Pizzone is a "comune" (municipality) in the Province of Isernia in the Italian region Molise, about 50 km west of Campobasso and about 20 km northwest of Isernia near the Monti della Meta chain.
Alfedena is a "comune" in the province of L'Aquila of the Abruzzo region of central Italy.
 It is located in the Abruzzo, Lazio and Molise National Park in the upper Sangro valley, near the Monti della Meta mountain chain.
Acquafondata is a "comune" (municipality) in the Province of Frosinone in the Italian region Lazio, located in the Monti della Meta area, about 130 km southeast of Rome and about 50 km east of Frosinone.
Tavolero, (also referred to as Tavolier, Tivolieri, or in ancient Roman times as "Tebularium") is a "frazione" (i.e., suburb) of the Communal town of Rocca Santa Maria in the Province of Teramo.
 It is located in the area known as Monti della Laga and sits within the Gran Sasso e Monti della Laga National Park.
 The village can be found at an elevation about 2709 feet on a rocky piece of land that juts out over and dominates the nearby Tordino River.
 In the year 2007 Tavolero is but an uninhabited ghosttown.
Valle Pezzata is a village in the Abruzzo region of central Italy.
 It is a "frazione" of the "comune" of Valle Castellana.
 The village lies in an area known as Monti della Laga, deep within the Gran Sasso e Monti della Laga National Park.

Question: Monti della Meta are located between the region thathas an area of how many square km?
Answer: 10,763