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,
Cuisine of Sardinia Cuisine of Sardinia The cuisine of Sardinia is the traditional cuisine of the island of Sardinia, and the expression of its culinary art. It is characterised by its own variety, and by the fact of having been enriched through a number of interactions with the other Mediterranean cultures while retaining its own identity. Sardinia's food culture is strictly divided into food from the land and food from the sea, reflecting the island's historical vicissitudes and especially its geographic landscapes, spacing from the coastline to the ragged mountains of the interior. The Sardinian cuisine is considered part of the Mediterranean diet,