The author use both Human and Physical Geographical features to define Central Europe .
According to Emmanuel de Martonne , in 1927 the Central European countries included : Austria , Czechoslovakia , Germany , Hungary , Poland , Romania and Switzerland .
The author use both Human and Physical Geographical features to define Central European   .
According to Emmanuel de Martonne , in 1927 the Central European countries included : Austria , Czechoslovakia , Germany , Hungary , Poland , Romania and Switzerland .