If the chip is implemented flatten, you can try those:Originally posted in cdnusers.org by Tongju
-- export a def file, (file->Export->DEF), then, from the def file, the "COMPONENTS" section will give you locations for all the instances.
-- inside Virtuso layout editor, the "Edit->Search" will let you search instances by their name, and then, select them, and query their location.
-- If you have Virtuoso VXL, you can do schematic--layout cross probe.
If there are physical hierarchy, you have to look into individual layout view and convert their (x y) into top level when needed.