Manuscript Preparation, Copyediting, and Proofreading

Q. The place of publication is included in the front matter of a printed book. Is the place of publication also included in the front matter of an ebook?

A. Yes. Publication has to do with where books are acquired and edited (which applies to ebooks), not where they are printed, which is most often somewhere else.

[This answer relies on the 17th edition of CMOS (2017) unless otherwise noted.]