Sardinia world (22 centenarians/100,000 inhabitants). Sardinia is the first discovered Blue Zone, a demographic and/or geographic area in the world with an oversize concentration of centenarians and supercentenarians. In 2016 there were 50,346 foreign national residents, forming 3% of the total Sardinian population. The most represented nationalities were: Sardinia's most populated cities are Cagliari and Sassari. The Metropolitan City of Cagliari has 431,302 inhabitants, or about ¼ of the population of the entire island. Eurostat has identified in Sardinia two Functional Urban Areas: Cagliari, with 477,000 inhabitants, and Sassari, with 222,000 inhabitants. Sardinia is one of the five Italian autonomous regions,
Sardinia Street, Kingsway that corner is grade II listed with Historic England. The south side includes an office building, Sardinia House (c.1910) of the LSE, and a King's College London building that fronts Kingsway. Sardinia Street, Kingsway Sardinia Street is a short street in the City of Westminster (south side) and the London Borough of Camden (north side) that runs from Kingsway to the south-west corner of Lincoln's Inn Fields. It was named after the old Sardinia Street that was demolished during the construction of Kingsway in 1905. The north side of Sardinia street is wholly taken up by the New Academic Building