Sirene (albanian: djathë i bardhë; bulgarian: сирене [ˈsirɛnɛ]; macedonian: сирење; serbian: сир/sir) also known as "white brine sirene" (bulgarian: бяло саламурено сирене) is a type of brined cheese made in the balkans (south-eastern europe), especially popular in bulgaria, serbia, montenegro, bosnia and herzegovina, north macedonia, romania, albania, greece and also in israel and lebanon. it is made of the milk of goats, sheep, or cows, or a mixture of these. it is slightly crumbly, with at least 46–48% of dry matter containing 44–48% of fat. it is commonly produced in blocks, and has a slightly grainy texture. it is used as a table cheese, in salads, and in baking.

Source: Wikipedia