Dialects Leh (Central Ladakhi), Shamma (Sham, Shamskat, Lower Ladakhi), Nubra Ladakhi. Perhaps 30% to 40% intelligibility of Tibetan. Leh is used as the medium of communication. Leh speakers understand Zangskari and Changthang at more than 90% on recorded text tests. Not known if speakers of all dialects understand Leh well. Leh is in Leh and surrounding areas. Shamma is west of Leh along the Indus Valley and to the south of Khaltse. Nubra is in Nubra Tahsil north of Leh. Lexical similarity 71% to 83% with Purik, 53% to 60% with Tibetan, 84% to 94% among 5 main dialects. 