Geography of Greece. It is a peninsular and mountainous country located in Southern-Eastern Europe, in the Balkans peninsula. The country has the largest coastline in Europe (13,676km) due to its numerous islands. Greece has a total of 2,000 Greek islands but only 168 are inhabited.
Harry Hess created the theory of plate tectonics moving along the ocean's floor.
First proposed in the early 1960s by the American geologist Harry H. Hess, its major tenets gave great support to the theory of continental drift continental drift,geological theory that the relative positions of the continents on the earth's surface have changed considerably through geologic time.