Based on the provided source material, there is no information regarding a city named Cozma in Romania. The name Cozma is identified as a Romanian surname.
Notable individuals with the surname Cozma include Miron Cozma, a Romanian labor union organizer; Ionela Cozma, a Romanian swimmer; and handball players Marian Cozma (1982–2009) and Valentina Cozma.