Crystalline Plaza was an area of Coruscant that served as a public thoroughfare and was home to the Imeici Spire. The plaza contained many different types of sculptures, all made from crystal, many of which were destroyed when the massive Spire collapsed.
Appearances
"The Core of Corruption" (original article link) on Wizards.com (content now obsolete; backup link (ddefault.asp?x=starwars/article/dodcampaign) not verified!)