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,
Flag of Sardinia charged artist, such as that under the leadership of Diego Velázquez and Francisco de Zurbaran represented in the Palacio del Buen Retiro in Madrid. Throughout the period of the Iberian monarchies the original design of the bandages on his forehead is respected. Ever since the House of Savoy ruled Sardinia in the mid-18th century, instead, the iconography of putting the blindfold over the eyes of the Moors settled and continued to persist until 1999, within the flag of St. George, in every quarter and in the direction of the luff. The Coat of Arms of the Kingdom of Sardinia clearly