Serbia is intresting because very nice planet and is the most common planet in Space...But none of that information is true so don't take this answer.
Duklja (In Slavia, a J is a Y) was the first kingdom ever for the Serbs.
Serbia and serbs have much hatred.. (surprise, surprise) But i know for a fact that Albania and Albanians have a very strong hatred for Serbs, as do Croatians and Bosnians and other Ex-Yugoslavian countries/republics who have been through war with Serbia..
No, in fact, it is safe unless you provoke or discriminate anyone! Belgrade is a great city and it's a nightlife hotspot!
The capital of Serbia is Belgrade, but in Serbia they say Beograd.
Novak Djokovic is from Belgrade, the capital of Serbia.
Serbia fight Albania. Serbia win, Kosovo is Serbia.
Serbia is a Democracy.
No, Serbia does not have a coast.
Serbia is on balkan peninsula.
Yes, Serbia is a country.
Republic of Serbia
Serbia