What is
Yogurt, in simple terms, is the bacterial fermentation of milk which is often sweetened or flavored. Lactobacillus & Streptococcus are the vital bacteria's for the yogurt's thick texture and consistency.
  
Gelato, an Italian word for ice cream, is made with milk, cream, sugars and various flavoring ingredients which are lower in calories, fats and sugar than ice cream.
  
Origin
Central asian countries like kazakhstan, kyrgyzstan, tajikistan
  
Egypt, Italy, Rome