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, Ohio Sardinia, Ohio Sardinia is a village in Brown and Highland counties in the U.S. state of Ohio. The population was 980 at the 2010 census. The village's name is derived from the homonymous island in the Mediterranean Sea. Historically, Sardinia was a post village of Brown County, in Washington township, established in 1830, situated on the east fork of White Oak Creek, 12 miles north-east of Georgetown, and 44 miles east of Cincinnati. In 1860, Sardinia's population was 200 and Washington Township had a population of 1,300. Sardinia was laid out in 1833. Sardinia is located at (39.008718, -83.804213), almost