What autonomous republics are part of the North Caucasus? South
Caucasus?

Adygea,

Karachay–Cherkessia,

Kabardino-Balkaria,

North Ossetia–Alania,

Ingushetia,

Chechnya

Dagestan.[1]

Explanation:

The North Caucasus is located in the northern part of the Caucasus region that lies between the Sea of Azvov and Black Sea on the western part of Russia and the Caspian Sea on the eastern side.

The North Caucasus region is part of the Russian Federation and they are included in both the Northern and Southern Federal Districts.