Sierra Negra Nahuatl

Tehuacan–Zongolica Nahuatl
Southeastern Puebla Nahuatl
Native to	México
Region	Puebla, Veracruz
Native speakers	(260,000 cited 1991–2006)
Language family	Uto-Aztecan Aztecan (Nahuan) Nahuatl Central or Eastern Nahuatl Tehuacan–Zongolica Nahuatl
Language codes
ISO 639-3	Variously: `nhq` – Huaxcaleca `npl` – Southeastern Puebla `nsu` – Sierra Negra `nlv` – Orizaba Nahuatl (Zongolica) `nhz` – Santa María la Alta `nhy` – Northern Oaxaca
Glottolog	`tehu1243` (Tehuacan–Zongolica) `huax1236` (Huaxcaleca) `nort2958` (N. Oaxaca)

Tehuacan–Zongolica AKA Southeastern Puebla Nahuatl is a variety of Nahuatl spoken by ethnic Nahua people in southeastern Puebla state (Tehuacan) and southern Veracruz (Zongolica) in Mexico.

Tehuacan–Zongolica has characteristics of both Central Nahuatl and Eastern Peripheral Nahuatl. Hasler (1996:164) summarizes the situation,