The Western Bug or Buh is another river which flows from Ukraine through Poland.

The Southern Buh, Bug, or Boh River (, Pivdennyi Buh; , Yuzhny Bug; ancient Greek: Hypanis) is entirely located in Ukraine. It rises in the west, in the Podolian uplands, about 145 km from the Polish border, and flows southeasterly into the Black Sea through the Odessian steppe. It is 806 km long and drains 63,700 km².

Major cities: Khmelnytskyi, Vinnytsia, Pervomaisk, Mykolaiv.

Image:Confluence of Southern Buh & Inhul.jpg|Confluence of the rivers Southern Buh and Inhul in Mykolaiv. Image:Rika Ploska vpadaye v Pivdenny Bug, Khmelnitsky, 2005 07 28.jpg|The Ploska River emptying into the Southern Buh.

Rivers of Ukraine

Südlicher Bug | Bug Meridional | Suda Bug | Boug méridional | הבוג הדרומי | Pietinis Bugas | Déli-Bug | Zuidelijke Boeg | Søndre Bug | Boh | Bug | Южный Буг (река) | Південний Буг