Yeni Shehr, " new town"), the most important town of Thessaly, situated in a rich agricultural district on the right bank of the Salambria (Peneios, Peneus, Peneius), about 35 m.
Its surface is almost entirely mountainous, the only extensive plains being those formed by the valleys of the Danube and Maritza, and the basin of Thessaly drained by the Salambria (ancient Peneus).
Owing to the distribution of the mountain-chains, the principal rivers flow in an easterly or southeasterly direction; the Danube falls into the Black Sea; the Maritza, Mesta, Struma (Strymon), Vardar and Salambria into the Aegean.
One line runs north-westwards from Volo by way of Velestino (the ancient Pherae) to Larissa, which is situated on the Salambria (Peneius), and has a population of 18,000 souls, including 2000 Jews.
From Velestino another line branches off to the west by Phersala (Pharsalos), Domokos (Thaumaki), Karditsa, and Trikkala (Trika), to Kalabaka (Aeginium), where the upper valley of the Salambria is entered.