Čačak is a major regional city in central Serbia. It’s uncertain whether the dance was named after the town or vice versa. What is certain is that Čačak is one of the most popular dances among Serbians, both at home and among the diaspora, also in Bulgaria.
Most Serbs today dance a 10-measure (20 step) sequence, but there are other versions (below).
Here’s the 10-measure pattern being taught in Bulgaria (Čačak Horo). Note the side-crosses at the beginning are crossed in front.
John Uhlemann wrote: “Čačak – there are other 10-measure variants of this that are often referred to by the tune name. Bela Rada is one such.”