Katapa was near Zippalanda.
See:
- Özlem Sir Gavaz, A New Contribution to the Hittite Historical Geography: Pertaining to the Location of an Important Cult Centre Katapa, ATINER's Conference Paper Series HIS2013-0806
- Adam Kryszen, A Historical Geography of the Hittite Heartland, Alter Orient und Altes Testament Veröffentlichungen zur Kultur und Geschichte des Alten Orients 437, Münster 2016