Area: 51,129 sq. km
Cities: Capital--Sarajevo (est. pop 387,876); Banja Luka (220,407); Mostar (208,904); Tuzla (118,500); Bihac (49,544).
Terrain: Mountains in the central and southern regions, plains along the Sava River in the north.
Climate: Hot summers and cold winters; areas of high elevation have short, cool summers and long, severe winters; mild, rainy winters in the southeast.