Dnieper Estuary, or Dnieper Liman , is an open oligohaline estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 in the northern part of the Black Sea

Black Sea

The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...

, in the southern Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

. Main port of the water body is Ochakiv

Ochakiv

Ochakiv is a city in the Mykolaiv Oblast of southern Ukraine. Serving as the administrative center of the Ochakivsky Raion , 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,...

. The estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 has 55 km long, 17 km wide. Average depth 6-7 m, maximal 12 m (Stanislav hole).

The estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 is connected to the Black Sea

Black Sea

The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...

 by the 3.6-km wide strait

Strait

A strait or straits is a narrow, typically navigable channel of water that connects two larger, navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not...

 (between Ochakiv Cape and Kinburn split). Southern coast of the estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

 is low, sandy; northern is mainly high (ip to 20-35 m).

The Dnieper estuary, together with the Bug Estuary

Bug Estuary

Bug Estuary is an estuary of the Southern Bug. It has 82 km long and up to 11 km wide. Together with the Dnieper Estuary makes Dnieper-Bug Estuary. The city of Mykolaiv is located on the Bug Estuary....

, makes Dnieper-Bug Estuary

Dnieper-Bug Estuary

Dnieper-Bug Estuary is an open estuary, or liman, of two rivers: Dnieper and Southern Bug. Located in the northern coast of the Black Sea. The most important port is Ochakiv....

.