Henichesk Strait
The Henichesk Strait is a narrow strait which connects the Syvash with the Sea of Azov. It separates the Arabat Spit from the Ukrainian mainland.
The strait is about long and the width varies from, with a depth of. On account of its narrowness, it is also sometimes called Thin Strait. The direction of flow depends on the wind. On the north side of the strait is the town and port of Henichesk in the Ukraine.
Although the strait separates the Crimea from the Ukraine geographically, it does not do so politically: both sides of the strait are in the Ukrainian Kherson Oblast, and the political and military boundary between Kherson Oblast and the disputed polity described either as the Ukrainian Autonomous Republic of Crimea or the Russian Republic of Crimea lies further south on the Arabat Spit.