The Foveaux Strait
Cook Strait separates the North and South Islands of New Zealand.Cook Strait runs from the Tasman Sea on the western side of New Zealand to the Pacific Ocean on the east.
Cook Strait separates the North and South Islands of New Zealand.Fouveaux Strait separates the South Island and Stewart Island.
cook strait
It separates into the two islands Greenland and Iceland.
The Cook straight separates the North and South islands of New Zealand.
The Denmark Strait separates Iceland and Greenland.
Denmark Strait separates Greenland and Iceland.
If the three main southern islands you are referring to are the Ryukyu Islands, including Okinawa, and the rest of Japan referring to the 4 main islands of Japan, then the answer is the East China Sea. If the three main southern islands you are referring to are Kyushu, Shikoku and Honshu, and the rest of Japan referring to Hokkaido, then the answer is the Tsugaru Strait.
The Cook Strait separates the two main islands of New Zealand.
Green land and iceland
Foveaux Strait separates these two NZ Islands.
Baffin Bay is the large bay that separates Greenland from the Baffin Islands. The Davis Strait also separates this area.