The Caucasian War of 1817–1864, also known as the Russian conquest of the Caucasus was an invasion of the Caucasus by the Russian Empire ended with the annexation of the areas of North Caucasus to Russia. It constituted of a series of military actions waged by Russia against a number of territories and tribal groups in Caucasia including Chechnya, Dagestan and the Adyghe (Circassians) as Russia sought to expand southward.
The Russian-Circassian War, a conflict between Russia and Circassia, was part of the Caucasian War.
Other territories of Causasus (Georgia, Armenia and Azerbaijan) were incorporated into the Russian empire at various times in 19th century as a result of Russian wars with the Ottoman Empire and Persia.