Ochakiv (Ukrainian: Очаків, Russian: Очаков, translit. Ochakov, Crimean Tatar, Turkish: Özü, Romanian: Oceacov) is a city in the Mykolaiv Oblast (province) of southern Ukraine. Serving as the aministrative center of the Ochakivsky Raion (district), the city itself is also designated as a separate raion within the oblast, and is located on a peninsula in the Black Sea, at the entrance to the Dnieper Rivers's estuary, just opposite of Kinburn.