The Small Adzhalyk Estuary or Hryhorivsky Estuary is a brackish water area in southern Ukraine, located 30 kilometres (19 mi) north-east of Odesa. In the lower part (left bank) of the estuary, the Pivdennyi Port is located there. The estuary is connected with the sea by the navigation canal 3 km length and 14 m depth.The length of the estuary is about 12 km, width from 300 m in upper part to 1.3 km in lower part.
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