The following list is a list of ethnolinguistic regions of South Asia. An ethnolinguistic region indicates a region of people that are united by a common language and ethnicity. South Asia is the southern region of the Asian continent, consisting mostly of the Indian subcontinent and sub-Himalayan countries, including, Bangladesh, Bhutan, Maldives, Nepal, India, Pakistan and Sri Lanka. The population of South Asia is about 1.749 billion, putting it as the most populated region in the world. The region is very linguistically diverse, with India alone having over 780 languages.
Anga
Assam
Balochistan
Baltistan
Bengal (Bangla)
Chittagonian
Sylhet
Bhil Pradesh
Bodoland
Chitral
Chittagong (Chattogram)
Garhwal
Gujarat
Hazarajat
Hindustani Belt
Subregions
Awadh
Bagar
Bagelkhand
Bhojpur-Purvanchal
Braj
Bundelkhand
Chhattisgarh
Chota Nagpur
Dhundhar
Hadoti
Haryana
Kannauj
Magadha
Malwa
Marwar
Mewar
Mewat
Nimar
Rohilkhand
Shekhawati
Tharparkar
Indus Kohistan
Jammu
Kalasha Desh
Karnataka
Kashmir
Kerala
Konkan
Kumaon
Kutch (Kachchh)
Ladakh
Maharashtra
Mithila
Subregions
Bajjikanchal
Note :- Some people consider Bajjika to be a dialect of Maithili while some others consider it to be a separate language.
Kosi—Seemanchal
Nuristan
Odisha
Pashtunistan (Pakhtunkhwa)
Punjab
Sindh
Sinhala
Tamil Nadu
Telugu
Tulu Nadu (Tulu Nad)