Racha in the context of "Duchy of Racha"

Eristavi (Georgian: ერისთავი; literally, "head of the nation") was a Georgian feudal office, roughly equivalent to the Byzantine strategos and normally translated into English as "prince" or less commonly as "duke". In the Georgian aristocratic hierarchy, it was the title of the third rank of prince and governor of a large province. Holders of the title were ex-officio commanders of a military 'banner', wore a distinctive dress, ring, belt and spear and rode a particular breed of horse.

Some high-ranking eristavis were also titled as eristavt-eristavi (Georgian: ერისთავთ-ერისთავი), i.e. "duke of dukes" or archduke but it is improbable that the holder of the title had any subordinate eristavis. Erismtavari (Georgian: ერისმთავარი; literally, "chief of the people" or grand duke) was a similar title chiefly endowed upon the pre-Bagratid rulers of Iberia (Eastern Georgia) and later used interchangeably with the eristavi.

The Rioni (Georgian: რიონი [ˈɾio̞n̪i]; Ancient Greek: Φᾶσις, Phâsis) is the main river of western Georgia. It originates in the Caucasus Mountains, in the region of Racha and flows west to the Black Sea, entering it north of the city of Poti (near ancient Phasis). The city of Kutaisi, once the ancient city of Colchis, lies on its banks. It drains the western Transcaucasus into the Black Sea while the river Kura drains the eastern Transcaucasus into the Caspian Sea.

Racha-Lechkhumi and Kvemo Svaneti (Georgian: რაჭა-ლეჩხუმი და ქვემო სვანეთი, Rach’a-Lechkhumi da Kvemo Svaneti [ɾät͡ʃʼäle̞t͡ʃʰχumi d̥ä kʰʷe̞mo̞ s̪ʷän̪e̞t̪ʰi]) is a region (mkhare) in northwestern Georgia with a population of 28,500 (2021), making it the most sparsely populated region in the country. It has a nominal area of 4,954 km (1,913 sq mi), of which 4,600 km (1,800 sq mi) is de facto controlled by Georgia. The remainder is effectively under South Ossetian control. The region has Ambrolauri as its administrative center and Parmen Margvelidze is governor of the region since June 2021. Racha-Lechkhumi and Kvemo Svaneti includes the historical provinces of Racha, Lechkhumi and Kvemo Svaneti (or Lower Svaneti).