Ai-Petri (Crimean Tatar: Ay Petri, Ukrainian: Ай-Петрі, romanized: Ay-Petri) is a peak in the Crimean Mountains. For administrative purposes it is in the Yalta municipality of Crimea. The name is of Greek origin, and translates as "St. Peter" (Greek: Άγιος Πέτρος, romanized: Ágios Pétros).