Vries Strait or Miyabe Line is a 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 two main islands of the Kurils. It is located between the northeastern end of the island of Iturup

Iturup

Iturup is the largest island of the South Kuril Islands. It is the northernmost island in the southern Kuril/Chishima islands, and though it is presently controlled by Russia, Japan also claims this island...

 and the southwesthern landhead of Urup Island, connecting the Sea of Okhotsk

Sea of Okhotsk

The Sea of Okhotsk is a marginal sea of the western Pacific Ocean, lying between the Kamchatka Peninsula on the east, the Kuril Islands on the southeast, the island of Hokkaidō to the far south, the island of Sakhalin along the west, and a long stretch of eastern Siberian coast along the west and...

 on the west with the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 on the east. It has a width of 42km.

The strait is named after Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 explorer Maarten Gerritsz Vries

Maarten Gerritsz Vries

Maarten Gerritsz Vries, or Fries, also referred to as de Vries, was a 17th-century Dutch cartographer and explorer, the first Western European to leave an account of his visit to the Sea of Okhotsk and the island of Sakhalin.Not much is known about the life of de Vries...

, the first recorded European to explore the area in 1643.