Many people mistaking think that this Arabic explorer was in Scandinavia..........b/c he uses the word Vikings...........nope.......modern day Russia..........he even calls the people he meets.........the Rus............and the river they live on the Volga.............the Volga is entirely within Russia.......

Ahmad ibn Fadlan
Ahmad ibn Fadlān ibn al-Abbās ibn Rāšid ibn Hammād was a 10th-century Arab traveler, famous for his account of his travels as a member of an embassy of the Abbasid Caliph of Baghdad to the king of the Volga Bulgars. Wikipedia
Born: 877 AD
Books: Ibn Fadlan's Journey to Russia: A Tenth-century Traveler from Baghad to the Volga River