Spirkin Oseredok Island is a low and flat island in the Caspian Sea

Caspian Sea

The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. The sea has a surface area of and a volume of...

. It is located east of the mouths of the Volga.

Spirkin Oseredok is separated from the Kazakh coast by a 700 m wide channel. It has a length of 5.2 km and a maximum width of 3.9 km.

Administratively Spirkin Oseredok Island belongs to the Atyrau Province

Atyrau Province

Atyrau Oblast is a province of Kazakhstan. It is situated in the west of the country around the northeast of the Caspian Sea. Its capital is the city of Atyrau, with a population of 142,500 people; the province itself has 480,000 people...

 of Kazakhstan

Kazakhstan

Kazakhstan , officially the Republic of Kazakhstan, is a transcontinental country in Central Asia and Eastern Europe. Ranked as the ninth largest country in the world, it is also the world's largest landlocked country; its territory of is greater than Western Europe...

.

Zhanbay Aral

Zhanbay Island

Zhanbay Aral, or Dzhambayskiy Island , is a low and flat island in the Caspian Sea. It is located east of the mouths of the Volga.Zhanbay Island is separated from the Kazakh coast by a 1.2 Km wide channel...

, one of the largest islands in the area, lies 10 km to the SSW beyond a landhead.