The Province of Teramo (; Abruzzese: ) is a province in the Abruzzo region of Italy. Its capital is the city of Teramo. The province has an area of , a population of 313,029 (2012), and is subdivided into 47 comunes (), see Comunes of the Province of Teramo. The Province of Teramo shares its northern border with the Province of Ascoli Piceno in the Marche Region, southern and southwestern borders with the Province of L'Aquila in the Abruzzo Region, and a western border with the Province of Rieti in the Region of Lazio. To the south is the Abruzzo Province of Pescara and to the east is the Adriatic Sea. Geography The landscape of the Province of Teramo is dominated almost entirely on the east by a large body of water with the beaches of the Adriatic sea and by the Apennine Mountains which his highest peak of Gran Sasso d'Italia westside. The province is indeed divided latitudinally by the characteristic hills and valleys rich in vineyards and olive groves that begin in the Apennines and run almost to the coast. Colline Teramane (Teramo Hills) has become a trademark and are one of the most significant areas where extra virgin olive oil and Abruzzo wines are produced. Unique of the province of Teramo is the short distance between the beaches of the Adriatic sea and the snowcapped Gran Sasso peaks. They can be reached within an hour from one point to the other. The peaks of the Gran Sasso rise to the west of the Province of Teramo while those of the Monti della Laga dominate its northern border. These two ridges are among the most distinctive and the most relevant of the entire Apennine Mountain range. The majestic Gran Sasso rises at its peak, the Corno Grande, to an elevation of and is characterized by steep, and in places virtually inaccessible, gorges with nature reserves and protected living species. A good part of Gran Sasso and Monti della Laga National Park is nestled in the province. Calderone, the southernmost glacier in Continental European, is found nearby. In contrast to the rugged and isolated Gran Sasso area, the Monti della Laga are characterised by thick forests, shallow gorges, rolling slopes and valleys, and several spectacular waterfalls. In addition to the provincial capital, the most populous and important commercial centers include Roseto degli Abruzzi and Giulianova with populations of 25,000