How to avoid problems with indexing a multilingual and multiregional site?

Question

Search Engine Optimization

Initial data:
Three domains (.ru, .kz, .uz) that look at the same files.
The ru domain has two language versions - rus, eng.
There are two language versions in the uz domain - rus, eng (as well as ru).
The kz domain has three language versions - rus, kaz, eng.

Purpose:
To inform the search robot that these are not duplicates.
Namely, in the zones .ru, .uz, .kz, three identical sites are obtained in Russian and in English.

How to avoid indexing problems?

Answer 1

Especially nothing, except how to put regions in search engines for sites