The history of the elven race is marked by great empires and a gradual decline and retreat from the mainland Faerûn. The elves first came to Abeir-Toril from the plane of Faerie about twenty-five millennia ago. The first wave of elves to arrive were the green elves, lythari, and avariel. The second wave included the dark elves, who arrived in the jungles of southern Faerûn, and the sun and moon elves, who arrived in the north. Not long after, the aquatic elves arrived in the Great Sea. After the second wave of elven immigrants arrived, the Time of Dragons ended and the period known as the First Flowering of the Fair Folk began. The elves settled into five major civilizations along the west and south of Faerûn during this period. Along the Sword Coast, the sun elves established Aryvandaar and Shantel Othreier, and the green elves established Illefarn, Miyeritar, and Keltormir. To the south, in present-day Vilhon Reach, the green elves also created the nations of Thearnytaar, Eiellûr, and Syòpiir. In the forests that once covered the Shaar, the moon elves established Orishaar, and the dark elves established Ilythiir. All of these realms were gradually destroyed as a result of the Crown Wars, which made way for other elven realms.
From http://en.wikipedia.org/wiki/Elf_(Dungeons_%26_Dragons)
