Yanga is the name of the first free town founded and liberated by a community of marooned African slaves, who escaped from their masters. An African prince named Yanga was its founder, on August 10,1609. It is located in the central area of the State of Veracruz, at the coordinate 18°50 '55 "north latitude and 96°48' 22" longitude, east of Mexico, at a height of 520 meters above sea level. It limits to the east with Cuitláhuac, to the northeast with Atoyac and to the southeast with Omealca. Its approximate distance to the municipal head south of the state capital, by road, is 80 km, has an area of 102.82 km².
Figure that represents a 0.14% total of the State and 0.0053% of the total of the country. In its orography, the municipality is located in the central area of the state on cerritos and barranquillas, hydrography conformed by the Atoyac river, the Seco river and some streams of the same. Its climate is hot-humid with an average temperature of 18°C. Its average annual rainfall is 1,200 mm.