Population: about 8 million the average density of the population is 76, 2 people per a square kilometer. Beside them in the country live about 800 000 Bulgarian Turks, 300 000 Gypsies and small number of Jews, Armenians, Russians and Greeks.
Relief: The relief of Bulgaria is extremely varied. Vast plains and valleys, precipitous ravines and gorges, deep glens nestling among hills, lowlands and high mountains alternate together on its comparatively small territory. The average altitude above sea level is 470 m. The Rila Mountains are the highest in Bulgaria as well as in the whole Balkan Peninsula with Mt. Moussala - 2925 m.