The Curvature Sub-Carpathians (), are a hilly region in central Romania, bordering the Curvature Carpathians. The range of high hills (800âÂÂ900 m), with knolls and parallel ridges (MÃÂgura OdobeÃÂti), which separate two geological depressions are located between the Trotuàand SlÃÂnic rivers in Romania.