Volga trade route

Viking trade routes included Baghdad, the Mediterranean, the Balkans, and Russian cities
Wikipedia - "In the Middle Ages, the Volga trade route connected Northern Europe and Northwestern Russia with the Caspian Sea, via the Volga River. The Rus used this route to trade with Muslim countries on the southern shores of the Caspian Sea, sometimes penetrating as far as Baghdad. The route functioned concurrently with the Dnieper trade route, better known as the trade route from the Varangians to the Greeks, and lost its importance in the 11th century."
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