Davis Strait South." The parallel of 60° North between Greenland and Labrador. "On the West." The Eastern limit of the Northwestern Passages South of 70° North [the East coast of Baffin Island to East Bluff, its Southeastern extremity] and of Hudson Strait [A line from East Bluff, the Southeast extreme of Baffin Island (), to Point Meridian, the Western extreme of Lower Savage Islands, along the coast to its Southwestern extreme and thence a line across to the Western extreme of Resolution Island, through its Southwestern shore to Hatton Headland, its Southern point, thence a line to Cape Chidley, Labrador ()]. The
Miyako Strait ever been agreed upon. The PLA Navy used the strait on a large scale for the first time in April 2010, an act which has since become a commonplace practice for them to conduct military exercises in the Pacific. The Miyako Strait represents a cultural and linguistic split between the Southern and Northern Ryukyuan languages, with the north being more influenced by Japanese culture. The Northern Ryukyu Islands have historically been more advanced (socially, technologically, and infrastructurally) than the Southern Ryukyu Islands. Miyako Strait The , also known as the Kerama Gap, is a waterway which lies between Miyako Island