To the south of Serbia are countries North Macedonia and Albania. To the west of Serbia are the countries Montenegro (the country that was once united with Serbia) Bosnia and Herzegovina and Croatia. 
 Thanks so much for your help! I've learned a lot. 
 You are Welcome. 
 Can you tell me about its demographics, please? 
 Interesting. Do you have anything on the etymology of the word?
To the south of Serbia are countries North Macedonia and Albania. To the west of Serbia are the countries Montenegro (the country that was once united with Serbia) Bosnia and Herzegovina and Croatia.