Kolyuchinskaya Bay is a large bay in the Chukchi Sea

Chukchi Sea

Chukchi Sea is a marginal sea of the Arctic Ocean. It is bounded on the west by the De Long Strait, off Wrangel Island, and in the east by Point Barrow, Alaska, beyond which lies the Beaufort Sea. The Bering Strait forms its southernmost limit and connects it to the Bering Sea and the Pacific...

 on the northern shore of the Chukotka Peninsula, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. To the west is Cape Vankarem

Cape Vankarem

Cape Vankarem is a cape in the Chukchi Sea on the northern coast of Chukotka between Cape Schmidt to the west and Kolyuchinskaya Bay to the east...

 and to the east Neskynpil'gyn Lagoon

Neskynpil'gyn Lagoon

The Neskynpil'gyn Lagoon is a shallow coastal lake in the Chukchi Sea at the northern shore of the Chukotka Peninsula, Russia. 30 km to the east is Kolyuchinskaya Bay and 25 km west, Cape Serdtse-Kamen....

 and Cape Serdtse-Kamen

Cape Serdtse-Kamen

Cape Serdtse-Kamen is a headland on the northeastern coast of Chukotka, Russian Federation. It is about 140 Km west of Cape Dezhnev, 120 Km east of Kolyuchinskaya Bay and about 30 km to the east of the Neskynpil'gyn Lagoon...

. The length of the bay is 100 km. Its mouth is only 2.8 km because of the Serykh Gusey Islands

Serykh Gusey Islands

The Serykh Gusey Islands is an island group in the Chukchi Sea, located northwest of the shores of the Kolyuchinskaya Bay. The islands are in the area of the Belyaka Spit, which encloses the Kolyuchin Bay, isolating it from the Chukchi Sea...

 and Belyaka Spit (Kosa Belyaka), separate it from the Arctic Ocean. The width increases to 37 km as it goes southwards and inland.

The depth of Kolyuchinskaya Bay is 7 to 14 m. The bay is covered with ice most of the year.

This bay has an inlet in its southern end known as the Kuetkuyyim Inlet (Kuetkuyyim Zaliv). The Ioniveyem

Ioniveyem River

The Ioniveyem River is a stream located in the Chukotka Peninsula in Far East Siberia. It flows northwards into the Kolyuchinskaya Bay, Chukchi Sea....

 and the Ulyuveyem River flow into it from the south. Administratively this bay belongs to the Chukotka Autonomous Okrug

Chukotka Autonomous Okrug

Chukotka Autonomous Okrug , or Chukotka , is a federal subject of Russia located in the Russian Far East.Chukotka has a population of 53,824 according to the 2002 Census, and a surface area of . The principal town and the administrative center is Anadyr...

 of the Russian Federation.

In 1793, the bay was named Count Bezborodko Bay in honor of a Russian statesman Alexander Bezborodko

Alexander Bezborodko

Prince Alexander Andreyevich Bezborodko was the Grand Chancellor of Russia and chief architect of Catherine the Great's foreign policy after the death of Nikita Panin.-Ukrainian origins:...

. The locals could not get accustomed to this name and the bay was later renamed Kolyuchinskaya after Kolyuchin Island

Kolyuchin Island

Kolyuchin Island or Koliuchin Island is a small island in the Chukchi Sea. It is not far from the coast, being only from the northern shore of the Chukotka Peninsula. Its latitude is 67° 28' N and its longitude 174° 37' E....

.