This is the 932nd most frequent Serbian word.
чачански
Relating to Čačak, a city in Serbia.
In this sentence, 'чачански' is an adjective meaning 'from Čačak,' describing the cheese from the geographic region of Čačak.
Чачански сир је познат по свом јединственом укусу.
Čačak's cheese is known for its unique taste.
Here, 'чачански' is used to describe the region associated with Čačak, specifying its geographical characteristics.
Посетио сам чачански крај прошлог лета.
I visited the Čačak region last summer.
In this usage, 'чачански' relates to the athletes, indicating their origin or association with Čačak.