The source of the river is in the west of Ukraine, in the Volyn-Podillia Upland, about 145 kilometres (90 miles) from the Polish border, from where it flows southeasterly into the Bug Estuary (Black Sea basin) through the southern steppes. It is 806 kilometres (501 miles) long and drains 63,700 square kilometres (24,600 sq mi).[3]
Between 1941 and 1944 during World War II the Southern Bug formed the border between German-occupied Ukraine and the Romanian-occupied part of Ukraine, called Transnistria.
Herodotus (c. 484–425 BCE) refers to the river using its ancient Greek name: Hypanis.[4] During the Migration Period of the 5th to the 8th centuries CE the Southern Bug represented a major obstacle to all the migrating peoples in the area.
The long-standing local Slavic name of the river, Boh (Cyrillic: Бог),[2] according to Zbigniew Gołąbas*bugъ/*buga derives from Indo-European verbal root *bheug- (having cognates in old Germanic word *bheugh- etc. with meaning of "bend, turn, moves away"), with hypothetical original meaning of "pertaining to a (river) bend", and derivatives in Russian búga ("low banks of a river, overgrown with bushes"), Polish bugaj ("bushes or woods in a river valley or on a steep river bank"), Latvian bauga ("marshy place by a river").[5] The 17th-century French military engineer and geographer Guillaume Le Vasseur de Beauplan recorded the name of the river as Bog.[6]
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From the 16th to the 18th centuries most of the south of Ukraine was under Turkish imperial domination and the colonists renamed the river using their language to the Aq-su, meaning the "White river". Indigenous Slavic toponyms were re-established after the conquest of the Pontic region from Turkish domination in the 17th and 18th centuries.
On March 6, 1918, the Central Council of the Ukrainian People's Republic adopted a law on the "administrative-territorial division of Ukraine", dividing it into regional districts. One of these, Pobozhia (meaning lands of the Boh, Ukrainian: Побожжя), was in the upstream lands of the Southern Bug, near the source of the river.
In October 2020, the Southern Bug was stocked with three hundred and fifty kilograms of Hungarian carp and 50 kilograms of silver carp at Khmelnytskyi.[7]
The Varvarivskyi Bridge over Southern Bug in Mykolaiv is a swing bridge (facilitating ship building) with Europe's largest span (134 m).[8] It is also the southernmost bridge over the river.
The river is technically navigable for dozens of kilometers up from its mouth; several river ports (such as Mykolaiv) exist.
In 2011, plans were announced to revive commercial freight navigation on the Southern Bug upstream of Mykolaiv, to facilitate the increasing grain export from Ukraine.[9] As of April 2018, freight navigation was renewed between the estuary and a newly built grain terminal in the village of Prybuzhany, Voznesensk Raion, in the center of the Mykolaiv Oblast.
^Le Vasseur de Beauplan, Guillaume (1651). Golitsyn, Avgustin Petrovich (ed.). Description de l'Vkranie depvis les confins de la Moscovie jvsqu'avx limites de la Transylvanie [Description of Ukraine from the borders of Muscovy to the limits of Transylvania]. Bibliothèque russienne (in French). Paris: J. Techener (published 1861). p. 57. Retrieved 2014-10-30. A trois lieues audessus de Douczakow [Ochakiv] est l'emboucheure du Bog où se trouve vne isle en forme de triangle, viron de demi lieue de long le trauers de Semenwiruk. [...] Au dessus de Semenwirut, il y a sur le Bog Winaradnakricza, qui est vne fontaine sur un précipice, lieu beau et propre à habiter, tant pour le bois qui est à commodité que pour les moulins qui s'y pourraient faire.
![[icon]](https://akarinohon.com/text/taketori.cgi/en.wikipedia.org/wiki/File:Wiki_letter_w_cropped.svg){kind=small}
![The Ploska River [uk] emptying into the Southern Bug.](http://en.wikipedia.org/wiki/File:Rika_Ploska_vpadaye_v_Pivdenny_Bug%2C_Khmelnitsky%2C_2005_07_28.jpg)
