» This article is about the River Bosna. For the region see Bosnia (region), for other uses of the term Bosna / Bosnia, see Bosnia (disambiguation). The Bosna (Cyrillic: Босна) is the third longest river in Bosnia and Herzegovina, and is considered one of the country's three major internal rivers, along with the Neretva and Vrbas Rivers; the other three major rivers of Bosnia and Herzegovina are the Una River, to the northwest, the Sava River, to the north, an… (More on Bosna)