Relief Lacking proper plains, the relief of Centru Region includes significant parts of the three branches of the
Romanian Carpathians (almost half the area of the region), hilly area of the
Transylvanian Plateau and depression area of contact between the hills and the mountains.
Hydrographic network , the only volcanic lake in Romania The hydrographic network is rich, consisting of upper and middle courses of
Mureș and
Olt and their tributaries. Natural lakes are diverse as genesis, the most notable being the glacial lakes in the
Făgăraș Mountains,
Sfânta Ana volcanic lake in
Harghita Mountains,
Red Lake, lake formed by damming the natural course of the
Bicaz River and Ursu Lake. The most important artificial lakes are the dam lakes on
Olt and
Sebeș rivers, salt lakes in former salt mines at
Ocna Sibiului and the
Transylvanian Plain fishponds.
Climate The climate of the region is temperate continental, and varies by altitude. In the intramontane depressions of the eastern region,
temperature inversions are frequent. In
Bod,
Brașov County, the lowest temperature in Romania, −38.5 °C (−37.3 °F), was recorded on 25 January 1942. ==Demographics==