The term "Northeast Caucasian" refers to a group of languages spoken primarily in the northeastern region of the Caucasus mountains. This language family includes several distinct languages, such as Chechen, Ingush, and Avar. These languages are known for their complex phonetic systems and rich morphological structures. Northeast Caucasian languages are part of a larger linguistic classification that also includes Northwest Caucasian and South Caucasian languages. The speakers of these languages often have a rich cultural heritage, with traditions and customs that vary significantly among different ethnic groups in the region.