This is the 12738th most frequent Russian word.
краснолиманском
"Краснолиманском" refers to something related to Krasny Liman, a town in Ukraine (e.g., "of Krasny Liman").
In this sentence, 'Краснолиманском' is used to denote the adjectival form of the geographical area 'Краснолиманский район'.
Я посетил выставку в Краснолиманском районе.
I visited the exhibition in the Krasnolimansk district.
Here, 'Краснолиманском' describes the forest associated with the Krasnolimansk region.
Краснолиманском лесу известно большое количество редких растений.
The Krasnolimansk forest is known for hosting a large variety of rare plants.
In this instance, 'Краснолиманском' qualifies the city park, indicating its location in Krasnolimansk.