 The main trees are Makha (Monkey Pod wood, "Afzelia xylocarpa"), Takhian (Ironwood, "Hopea odorata") and Yang ("Dipterocarpus alatus").Thus when the government established the district, they named it Tha Yang (literally, 'Yang tree pier').The district was originally named Yang Yong, and was renamed Tha Yang in 1939.