The cities of the stone elves are called "kerels", of which there are few remaining. They typically have a full name and shorter one.
Kerel Rhundrath | Karath | The Gilded City - Mercantile hub. The city has remained prosperous and large because of it's nearness to the surface and it's willingness to barter with other elves and men.
Kerel Imdrial(athronaz) | Kalmial | The City of Ripples (that Sing on Stone) -
Kerel Navar | Narel | The Open Gate - Somewhat unusual city, quite small and a little newer than the other kerels. Has a population of surface elves, and maintains trade with the mountain elf nation of the Halla-Caithons
Kerel Arlazrian | Kezrian | The City that Endures - The deepest remaining city, renowned for it's magic and mages. Isolated.