Ana (), Anka (Анка) or Anča (Анча), was one of the daughters of Nicolae Alexandru, Prince of Wallachia and wife of the Serbian Emperor Stefan Uroš V. Her sister, Anna, was the wife of Bulgarian Emperor Ivan Stratsimir.
She most likely married Uroš in the summer of 1360.Konstantin Jireček, Istorija Srba (Belgrade 1952), p.237-238 She took monastic vows, becoming a nun, and adopted the name Jelena.
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