Gemenc is a unique forest that is found between Szekszárd and Baja, in Hungary.
The wood's fauna include stags, boars, storks, grey herons, gyrfalcons, white-tailed eagles, and kites.
It is the habitat of the curiosity Freyer's purple emperor (Hungarian: Magyar színjátszólepke).
Gemenc is a nature reserve that is part of the Danube-Drava National Park.
Vignettes of specific species of the fauna of the sanctuary make up the film Gyöngyvirágtól lombhullásig [From Blossom Time to Autumn Frost] (1953) by nature documentary film-maker István Homoki Nagy.