For 10 points, identify this Italian city standing in the shadow of Mount Vesuvius.
When Belisarius seized this city, Procopius of Caesarea says that he sent troops through the aqueduct into the city to open the gates. Its Byzantine duke, Stephen II handed the city over to the Pope in 763, and from there they never held this southern Italian city again. Thereafter it was controlled by Normans, the French, Spaniards, Austrians, eventually forming the mainland part of the Kingdom of the Two Sicilies. For 10 points, identify this Italian city standing in the shadow of Mount Vesuvius.
When Belisarius seized this city, Procopius of Caesarea says that he sent troops through the aqueduct into the city to open the gates.
{Naples}