EN · common walnut, Persian walnut, English walnut, Carpathian walnut
DE · Echte Walnuss, Nussbaum
LT · graikinis riešutmedis
LV · īstais riekstkoks, grieķu riekstkoks
PL · orzech włoski
https://en.wikipedia.org/wiki/Juglans_regia
Native to the region stretching from the Balkans eastward to the Himalayas and southwest China. It is widely cultivated across Europe and Caucasus. China is the major commercial producer of walnuts.