Mdina, also known by its Italian epithets Città Vecchia ("Old City") and Città Notabile ("Notable City"), is a fortified city in the Northern Region of Malta which served as the island's former capital, from antiquity to the medieval period. The city is still confined within its walls, and has a population of 250, but it is contiguous with the town of Rabat, which takes its name from the Arabic word for suburb, and has a population of over 11,000 (as of March 2014).

A natural redoubt, the area of the city has been inhabited since prehistory. A Phoenician colony known as Ann was established around the 8th century BC, sharing its name with the island and presumably acting as its capital. During the Punic Wars, the town was acquired by the Romans and renamed Melita after the Greek and Latin name for the island, probably taken from the Punic port at Cospicua on the Grand Harbour. Greco-Roman Melite was larger than present-day Mdina. It was reduced to its present size during the period of Byzantine or Arab rule. Following a 9th century massacre, the area was largely uninhabited until its refounding in the 11th century as Madinah, from which the town's current name derives. Mdina then continued to serve as the capital of Malta until the arrival of the Order of St. John in 1530, who used Birgu instead. Mdina experienced a period of decline over the following centuries, although it saw a revival in the early 18th century during which several Baroque buildings were erected.

Largely maintaining its medieval character, Mdina remained the centre of the Maltese nobility and religious authorities and property continues to largely be passed down from families and from generation to generation. It never regained its pre-1530 importance, however, giving rise to the popular nickname the "Silent City" by both locals and visitors. Mdina is on the tentative list of UNESCO World Heritage Sites, and it is now one of the main tourist attractions in Malta.

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