Andros is one of the more northerly islands in the central Cyclades group. It is one of the larger islands and, being close to the mainland on an a main ferry route, a popular choice for weekending mainlanders. Andros has a character all of its own.
It is nearly 40 km (25 mi) long, and its greatest breadth is 16 km (10 mi). Its surface is for the most part mountainous, with many fruitful and well-watered valleys. Andros, the capital, on the east coast, contained about 2000 inhabitants in 1900. The island had about 18,000 inhabitants in (1900). The 1991 census read 8,781. According to the latest Greek census of 2001, the town of Andros still contained 1,508 inhabitants, and the island's total was 10,009. The island is comprised of the municipalities of Andros (pop. 4,107), Korthio (pop. 2,547), and Ydrousa (pop. 3,355). Their combined land area is 380.041 km². The largest towns are Ándros, Gávrio, Bátsi, and Órmos Korthíou.