In the video, you learned how to pronounce Brčko and Republika Srpska.
In Slavic languages, the letter ć is pronounced like ch in English.
The letter š is pronounced like sh.
The letter j acts similar to y in English, like in yo or ya. Practice on these names below!
Alija Izetbegović
Radovan Karadžić
Franjo Tudjman
Slobodan Milošević