The Duchy of Ksani (Georgian: ქსნის საერისთავო) was an administrative unit in feudal Georgia.

Tskhradzmiskhevi started to become dominant in the 10th century when it included gorges of Lekhura, Medjuda and upper side of the river Liakhvi.

After incorporating of neighbouring southern gorges, the residence was relocated from Largvisi to Kvenipnevi.

According to Vakhushti's references[clarification needed], during the reign of Tamar the Great, Kartli and Ksani were separated Dukedoms.

In the 14th century, Saeristavo included: Tskhradzma, Jamuri, Kharchokhi, Jurta, Kholoti, Isroliskhevi, Abazasdzeta, Truso, Ghuda, Gagasdzeni, Mleta, Arakhveti, Khando, Khanchaeti, Dzagnakora, Dighuami, Gavasi, Atseriskhevi, Bekhushe.