Power is the capital of the Basilicata region and capital of the province. Is 819 metres above sea level on the Lucanian Apennines and dominates the Valley of Basento. The ancient medieval core, the old town, is at the top, while the modern and extensive neighborhoods have sprung up further down, giving rise to many businesses that have made the city a point of reference for the entire region and surrounding areas. The city centre is in piazza Matteotti, overlooked by the Palazzo del Comune, crossed by the via Pretoria, lively town of Center that flares in the central piazza Mario Pagano, called by the 19th-century palace of the Prefecture Square since hosting the potentini Prefecture, now home of the Prefect and provincial offices. In the same square there is the well-known Teatro Stabile, built in 1856 and opened in 1865 due to an interruption of work due to earthquakes, frequent in the area. In areas further downstream of the Hill on which stands the city, however, they came to form a variety of residential, commercial and popular areas that have made the most important city in his capital, contributing greatly to its development.