http://en.wikipedia.org/wiki/Kota_Gelanggi

The Kota Gelanggi of Johor Darul Takzim should not be confused with the Kota Gelanggi Caves near Jerantut in Pahang Darul Makmur. The Kota Gelanggi Caves of Jerantut hold Neolithic sites, with no evidence of further substantial habitation beyond that period despite extensive archaeological digs in its caverns by the museums department