Slonim is a city in Grodno Region, Belarus, capital of the Slonimski rajon. It is located at the junction of the Ščara and Isa rivers, 143 km southeast of Hrodna. The population in 2015 was 49,739.
Wikipedia https://en.wikipedia.org/wiki/Slonim
Coordinates 53°5'33.745" N 25°19'9.555" E