Russia & Eastern Europe physical featuresOnline version the Danube River; the Baltic, Black Sea, Aegean, and Mediterranean Seas; the end of the Northern European Plain; the Ural, Balkans, and the Carpathian Mountains; and Lake Ladoga in Russia by EMILIA BRYTE 1 Ural mountains 2 Lake Baikan 3 black sea 4 Caspian sea 5 Dnieper river 6 volga river 7 Arctic ocean 8 Baltic sea 9 Caucasus Mountains