 Between the country of the [ Pechenegs ] and the country of the <unk> , which belongs to the [ Volga Bulgars ] , lies the first of the Magyar frontiers . ... Their chief rides at the head of 20 @,@ 000 horsemen . He is named <unk> , but the one who actually rules them is called <unk> . All the Magyars implicitly obey this ruler in wars of offence and defence . ... Their territory is vast , extending to the Black Sea , into which two rivers flow , one larger than the Oxus . Their campsites are located between these two rivers . 
