Elvish City

[TarionzCousin]

Corwyl: Village of the Wood Elves. 3E material from Green Ronin.

 

[Ath'kethin]

There's a treetop elven village detailed on page 77 of the 3.5 supplement Heroes of Valor as part of a druid organization's hideout. The diagram and map for it is available as a free download at the Dungeon Master's Guild under the Maps package in Creator Resources.