if you're looking for detailed location info, including all associated files:
- use option+cmd+space (shortcut for the search function inside Finder)
- make sure "search this Mac" (or something similar) is highlighted on the top left side.
- on the top right side, hit the + button
- click on the left new field (should read "name" by default) and change that to system files
- click on the next field and change that from "not included" to "included"
now your searches should show you anything related to the file or app you are looking for
(technically, macOS is also keeping some kind of "mirrored" files for cache use in addition to that, which will not be shown this way, but as far as i understand, you're not supposed to tinker with those anyway)
this procedure is shown in detail in this video starting at the 1 minute mark: