where does volga river start?
Valdai Hills
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 The Sava discharges into the Danube , after reaching 68 @.@ 3 metres ( 224 feet ) a.s.l. as its right tributary at the Great War Island off the easternmost tip of Syrmia in Belgrade , 1 @,@ 169 @.@ 9 kilometres ( 726 @.@ 9 miles ) away from the Danube 's confluence and the Black Sea . 

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 The river flows through several areas of ecological interest and supports a variety of rare and endangered species . 

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 The Lower Danube marked the boundary between the empire and " Barbaricum " until Emperor Trajan decided to expand the frontiers over territories controlled by the Dacian Kingdom . He achieved his goal through two military campaigns , the second of which ended with the annihilation of the Dacian state and the establishment of the province of Dacia in 106 . It included Oltenia and large portions of Banat , Transylvania , and Wallachia . Many colonists " from all over the Roman world " arrived and settled in the new province in the following decades . 

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 The Zarqa River is commonly identified with the biblical Jabbok River ( Hebrew : נָּחַל יַבֹּק , Nahal Yabok ) . 

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 Even though the name Sava became very common among ( and not only South ) Slavs , especially as a form of personal name , either male or female , and has a " Slavic tone , " the river 's name is not Slavic but Celtic and Roman in origin ; the Latin name was Savus . Another name , used for Sava in entirety or its lower part by Strabo , is Noarus . 
