Serbia
Serbia, ex capital of the Balkan district. Containing two provinces - Vojvodina and Kosovo and Metohija. A pretty easy place to hitchhike in during the day, but during the night it gets very hard. Street lighting is few and far between outside of the cities, and even the smaller cities are not so easy to hitch beside.
In Serbia most of the main roads have junctions off towards the cities, so you could be dropped 4 or 5 km away from the nearest place and find yourself having to walk to the next decent junction.
Roads are generally of an excellent quality when compared to other countries in the region (Romania, Bulgaria etc..).
Hitchhiking on the motorway is frowned upon, but you won't get into any trouble.
Safety
Hitchhiking along the motorways seems to be no problem during the day. Serbian drivers tend to be friendly. When it's getting dark it is recommended to search a safe place to stay. While riding through the night, vicious attacks to cars and people on parking areas or along the road seem to happen from time to time. Make sure that you get out on a 24h tankstation or some motels along the way.
Cities
Principle cities:
