What is
Whole milk is the raw, unpasteurized milk obtained from mammals like cows, buffalo, goat, sheep, yak, camel.
  
Strained yogurt, Greek yogurt, yogurt cheese, labneh, is yogurt which has been strained to remove its whey, resulting in a relatively thick consistency, while preserving yogurt's distinctive, sour taste.
  
Origin
East European countries- Bulgaria, Czech Republic, Ukraine
  
Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Middle East