The Molochny Estuary is a water-swamp locality of international significance located in the Zaporizhzhya region of Ukraine. It is situated in the southern part of the Molochnaya River valley and is separated from the Sea of Azov by sand barriers. The estuary covers an area of 19,000 hectares and is connected to the Sea of Azov via an artificial channel. It contains unique landscapes such as ravines, sandy areas, gullies, and salt meadows that support a diverse array of flora and fauna, including many water bird species.