What is
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.
  
Feta cheese, a type of Greek cheese, is made from milk that is brined or pickled. The process of brining gives a tangy, salty and a crumbly consistency to feta cheese.
  
Origin
Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Middle East
  
Greece