MultiTree:

Name: Thai, Northeastern Type: Language Alternate Names: Isan; Isaan; Issan; Thai Isaan; Kaleung; Kha Lung; Kha Lu'ng; Kha-Lɯɱ Spoken in: Thailand Number of speakers: 15,000,000 (1983 SIL). At least 1,000,000 in Bangkok. Kalerng has a few thousand speakers (1990 A. Diller) (Ethnologue) Code: tts Code Standard: ISO 639-3 Documentation: SIL Families: Tai-Kadai (Thai-Kadai) Parent Subgroup: Lao-Phutai (laop) Child Dialects: Central Isan; Kalerng; Kaleung; Kaloeng (tts-cen) Southern Isan. Korat; Southern Isan (tts-sou) Northern Isan (tts-nor)