Aosta () is the principal city of the Aosta Valley, a bilingual region in the Alps, north-northwest of Turin, Italy. It is situated near the Italian entrance of the Mont Blanc Tunnel and the Great St Bernard Tunnel, at the confluence of the Buthier and the Dora Baltea, and at the junction of the Great and Little St Bernard Pass routes.
After the fall of the Western Empire, the city was conquered, in turn, by the Burgundians, the Ostrogoths, and the Byzantine Empire. The Lombards, who had annexed it to their Italian kingdom, were expelled by the Frankish Empire under Pepin the Short. Under his son, Charlemagne, Aosta acquired importance as a post on the Via Francigena, leading from Aachen to Italy. After 888 AD it was part of the renewed Kingdom of Italy under Arduin of Ivrea and Berengar of Friuli.
In the 10th century Aosta became part of the Kingdom of Burgundy. After the fall of the latter in 1032, it became part of the lands of Count Humbert I of Savoy.
The privilege of holding the assembly of the The Estates was granted to the inhabitants in 1189. An executive council was nominated from this body in 1536, and continued to exist until 1802. After the Congress of Vienna restored the rule of Savoy it was reconstituted and formally recognized by Charles Albert of Sardinia, at the birth of his grandson Prince Amedeo, who was created duke of Aosta.
The city experiences cool to very cold winters, hot summers and relatively dry conditions throughout the year.
stand at angles to the enceinte and others are positioned at intervals, with two at each of the four gates, making twenty towers in total. They are roughly square, and project from the wall. Of the 20 original towers, the following are well preserved:
The south and east exist intact. The latter, a double gate with three arches flanked by two towers known as the Porta Praetoria (1st century AD) was the eastern gate to the city, and has preserved its original form apart from the marble covering.Toy, Sidney. Castles: Their Construction and History. New York: Dover Publications, 1985. p. 30. It is formed by two series of arches enclosing a small square.
The rectangular arrangement of the is modeled on a Roman plan dividing the town into 64 blocks (insulae). The main road, about wide, divides the city into two equal halves, running from east to west. This arrangement makes it clear that guarding the road was the main raison d'être of the city.
The Roman theatre, of which the southern façade remains today, is tall. The structure, dating from the late reign of Augustus, occupied an area of ; it could contain up to 4,000 spectators. In the nearby was the amphitheatre, built under Claudius. A marketplace surrounded by storehouses on three sides with a temple in the centre with two on the open (south) side, as well as a thermae, have also been discovered. Outside the town walls is the Arch of Augustus, a triumphal arch in honour of Augustus, built in 35 BC to celebrate the victory of consul Varro Murena over the Salassi. About to the west is a single-arched Roman bridge, called the Pont d'Aël. It has a closed passage, lighted by windows for foot passengers in winter, and above it an open footpath. There are considerable remains of the ancient road from Eporedia (modern Ivrea) to Augusta Praetoria into the Aosta Valley. The modern rail transport follows this route, notable for the Pont Saint-Martin, which has a single arch with a span of and a roadway wide; the cutting of Donnas; and the Roman bridges of Cillian (Saint-Vincent) and Aosta (Pont de Pierre).
Other sights include:
Aosta railway station, opened in 1886, forms part of the Chivasso–Ivrea–Aosta railway. Direct trains only connect Aosta up to the city of Ivrea. The branch line to nearby Pré-Saint-Didier, in the Valdigne, on the way towards Courmayeur was closed in 2015. Train service is operated by Trenitalia.
The main bus hub is located near the Aosta train station. Buses connect the city of Aosta to the nearby valleys and to destinations outside the region, including Turin, Milan, Chamonix (France) and Martigny (Switzerland).
Aosta Airport is located 5 km to the east of the city.
General references
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