
Marsica is a geographical and historical region in the Abruzzo, central Italy, including 37 comuni in the province of L'Aquila. It is located between the plain of the former Fucine Lake, the National Park of Abruzzo, Lazio and Molise, the plain of Carsoli and the valley of Sulmona.

Aielli is a comune and town in the Province of L'Aquila in the Abruzzo region of Italy. It is located in the plain of the former Lake Fucino, in the Marsica.

Avezzano is a city and comune with a population of about 42,500 inhabitants, situated in the Abruzzo region, province of L'Aquila, Italy. It is the second most populous municipality in the province and the sixth in the region. Avezzano was documented as an existing urban center in the ninth century. The city was destroyed by the earthquake of 1915. It was rebuilt after the 1944 Allied bombing. The city was decorated with the silver medal for civil merit, an award granted by the Italian Republic.

Balsorano is a comune (municipality) and town in the province of L'Aquila in the Abruzzo region of Italy.

Bisegna is a comune and town in the Province of L'Aquila in the Abruzzo region of Italy.

Canistro is a comune (municipality) and town in the province of L'Aquila in the Abruzzo region of central Italy.

Capistrello is a comune and town in the province of L'Aquila in the Abruzzo region of central-southern Italy. It is located at the border between the upper Liri River valley and the Marsica. Capistrello borders the following municipalities: Avezzano, Canistro, Castellafiume, Filettino (Frosinone), Luco dei Marsi, Scurcola Marsicana and Tagliacozzo.

Cappadocia is a comune and town with approximately 550 inhabitants in the province of L'Aquila in the Abruzzo region of central Italy. It is part of Marsica. It's also part of the "Borghi autentici d'Italia" club

Carsoli is a town and comune in the province of L'Aquila, Abruzzo. The ancient Roman city lies 4 kilometres (2.5 mi) southwest of the modern town.

Castellafiume is a comune and town in the Province of L'Aquila in the Abruzzo region of central Italy.

Celano is a town and comune in the Province of L'Aquila, central Italy, 120 km (75 mi) east of Rome by rail.

Cerchio is a comune and town in the province of L'Aquila in the Abruzzo region of southern Italy.

Civita d'Antino is a comune and town in the province of L'Aquila, in the Abruzzo region of central Italy.

Civitella Roveto is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy.

Collarmele is a comune and town in the Province of L'Aquila in the Abruzzo region of Italy

Collelongo is a comune and town in the province of L'Aquila in the Abruzzo region of southern Italy.

The Fucine Lake was a large endorheic lake in western Abruzzo, central Italy, stretching from Avezzano in the northwest to Ortucchio in the southeast, and touching Trasacco in the southwest. Once the third largest lake in Italy, it was drained in 1878.

Gioia dei Marsi is a comune (municipality) and town in the province of L'Aquila in the Abruzzo region of Italy.

Lecce nei Marsi is a comune and town in the province of L'Aquila in the Abruzzo region of Italy.

Luco dei Marsi is a comune and town in the province of L'Aquila in the Abruzzo region of central-eastern Italy. It is part of the Marsica.

Magliano de' Marsi is a comune and town in the province of L'Aquila in the Abruzzo region of southern-central Italy. The town is in the historical region Marsica.

Marsi is the Latin exonym for an Italic people of ancient Italy, whose chief centre was Marruvium, on the eastern shore of Lake Fucinus. The area in which they lived is now called Marsica. During the Roman Republic, the people of the region spoke a language now termed Marsian in scholarly English. It is attested by several inscriptions and a few glosses. The Linguist List classifies it as one of the Umbrian Group of languages.

Massa d'Albe is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy. It is part of the Marsica.

Morino is a comune and town in the Province of L'Aquila in the Abruzzo region of Italy.

Opi is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy. It is located in the National Park of Abruzzo, Lazio e Molise.

Oricola is a comune and town in the province of L'Aquila, Abruzzo, central Italy, located near the regional boundary with Latium. It is commanded by a mid-15th century rocca (fortress) and, in its communal territory, is home to the remains of several ancient Italic settlements. The church of Santa Restituta contains a 13th-century fresco.
Ortona dei Marsi is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy. It is included in traditional area of Marsica. The commune is part of the National Park of Abruzzo, Lazio and Molise. Ortona dei Marsi is situated on 1000 meters above sea level and the mountains that surround the valley reach up to 1,800 meters.

Ortucchio is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy.

Ovindoli is a village and comune of the province of L'Aquila in the Abruzzo region of central Italy. Close to Rome, it is a resort for both summer and winter sports, including hiking, biking, equestrian activities and downhill and cross-country skiing.

The Palentine Plains are a plateau in upper Marsica, a subregion of Abruzzo, Central Italy.

Pereto is a comune and town in the province of L'Aquila in the Abruzzo region of Italy.

Pescasseroli is a town and comune in the province of L'Aquila, in Southern Abruzzo, central Italy.
Pescina is a township and comune in the province of L'Aquila, Abruzzo, central Italy. It is a part of the mountain community Valle del Giovenco.

Rocca di Botte is a comune and town of 860 people in the province of L'Aquila, Abruzzo, central Italy.

San Benedetto dei Marsi is a comune and town in the province of L'Aquila in the Abruzzo region of central Italy. It is on the eastern shore of the dried Lake Fucino, 20 kilometres (12 mi) from the remains of another ancient site, Alba Fucens.

San Vincenzo Valle Roveto is a comune and town in the province of L'Aquila in the Abruzzo region of Italy.

Sante Marie is a comune and town in the province of L'Aquila, in the Abruzzo region of central Italy

Scurcola Marsicana is a comune and town in the province of L'Aquila, in the Abruzzo region of central Italy.

Tagliacozzo is a town and comune in the province of L'Aquila, Abruzzo, central Italy.

Trasacco is a comune and town in the province of L'Aquila in the Abruzzo region of central-eastern Italy.

The Tunnels of Claudius are a hydraulic work made up of a long underground canal, six inclined service tunnels and thirty-two wells, which Emperor Claudius had built between 41 and 52 AD to control the variable levels of the Fucine Lake in Abruzzo, thus protecting riparian villages from floods and reclaiming the Fucine lands making them cultivable. Thanks to them, the lake waters flowed out through the belly of Mount Salviano from the Avezzano side along the almost 6-kilometre-long (3.7 mi) tunnel until they flowed into the Liri River on the opposite side of the mountain, under the old town of Capistrello. The underground canal represents the longest tunnel ever built since ancient times until the inauguration of the Fréjus Rail Tunnel occurring in 1871.

The Valle Roveto or Val Roveto is an Apennine valley, located in the Abruzzo Apennines, in the province of L'Aquila, in Marsica, a geographical and historical central Italian region. The Valley is crossed by the river Liri and is part of the larger Valle del Liri.

Villavallelonga is a village and comune in the Abruzzo region in central Italy. A part of Marsica traditional area, it is included in the Abruzzo, Lazio and Molise National Park.