sentence: Samarina is located on Mount Smolikas, the highest of the Pindus range and the second-highest mountain in all of Greece, at an altitude of 1380–1515 meters.
modified: fix grammar: Samarinas is located on Mounts Smolikass, the highest of the Pinduss ranges and the second-highest mountains in all of Greeces, at an altitudes of 1380–1515 meter.