Post Greyhawk Wars: 585 CY
Ruler: The Most Radiant Bow of Sehanine, Orb of the Heavens, High Priest Anfaren Silverbrow
Capital: Lo Reltarma (pop. 3,200)
These islands have always been a mystery, due to their native aquatic and high elves who kidnapped intruders into their realm and did not release any to tell tales. Both the Sea Barons and the Lordship of the Isles kept well away from the six isles in this chain, save Lendore Isle itself. This was populated by Suel-dominated humans who conducted much trade with the continent and paid the Barons and Lords to allow their ships to pass safely.
In 583 CY, the elves moved swiftly to subjugate Lendore Isle, offering the humans safe passage to the Sea Barons, the Lordship of the Isles, Medegia, or elsewhere along the east coast of Aerdy as it then was. They simply informed the humans that the time had come for the elves to use the whole island chain for religious purposes, and no mere humans would be allowed to get in the way. A minority were permitted to stay as humble fisherfolk and laborers.
The entire island chain is now shrouded in magical fogs and illusions which form an almost unnavigable barrier to the outside world. Only elves drawn to Lendore can find their way there readily. When elves leave the mortal world, they have their own secret places of safe passage and departure, and Lendore is the most important of these within the Flanaess. It is said to be watched over by no less than a dozen full Patriarchs and Matriarchs of the goddess Sehanine.
Obviously, very little in the way of information about transformed Lendore filters back to the ordinary, mundane world. One story is almost certainly true, however. The elves of Lendore speak a unique, highly complex tongue: Lendorian Elvish. It is not learned in a normal manner. Rather, an elf newly arrived in Lendore gradually develops an understanding of the language as it is implanted into his mind in a series of revelatory stages. This is said to parallel a growingly otherworldly nature, drawing the elf painlessly away from his attachments to matters mundane. It is also fairly certain that Lendore is an intensely magical land, but how this may manifest, the elves do not say