Ochakiv also known as Ochakov (, , Crimean Tatar: Özü, , ), Vozia (in Romanian), and Alektor (Ἀλέκτορος in Greek) is a small city in Mykolaiv Oblast (province) of southern Ukraine. Serving as the administrative center of the Ochakiv Raion (district), the city itself is also designated as a separate raion within the oblast, a city of regional importance.