Highest Polish Population in Russia and highest Russian population in Poland, wh

Question:

Highest Polish Population in Russia and highest Russian population in Poland, which cities respectively?

Specifically between 1900-1930

Additional Details

3 months ago
Granny, this has to do with ancestors. I'm asking to get a probable location for where a relative was from. My means are limited.

Best Answer - Chosen by Asker: 3 months ago
Granny, this has to do with ancestors. I'm asking to get a probable location for where a relative was from. My means are limited.