Kosara

For the town of ancient Lycia, see Kosara (Lycia).
Not to be confused with Kozara.
19th-century drawing of Kosara and Jovan Vladimir.

Kosara or Cossara (Bulgarian and Serbian: Косара) was a Bulgarian noblewoman, a daughter or relative of Tsar Samuel of Bulgaria, who was married to Prince Jovan Vladimir of Duklja.