The 오스트로아시아어족 (Austroasiatic language family) is a group of languages primarily spoken in Southeast Asia and parts of South Asia. This family includes languages such as 베트남어 (Vietnamese) and 크메르어 (Khmer), which are widely used in their respective countries. The Austroasiatic languages are known for their rich diversity, with over 150 languages classified under this family. They are characterized by unique phonetic features and grammatical structures, making them distinct from other language families in the region.