What is
Quark is a type of fresh dairy product, common for the cuisines of German-speaking countries made by warming soured milk until the desired degree of coagulation (denaturation, curdling) of milk proteins is met, and then strained.
  
sort of cheese
  
Origin
Germany
  
Afghanistan, Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Iran, Southwest Asian countries- Armenia, Azerbaijan, Georgia, Turkey, Tajikistan