The most serious candidate is the head of Slovak diplomacy Miroslav Lajcak.
This is written by today's "Vecernje Novosti", which state that the EU's goal is to first and foremost mitigate US influence in the region.
As European media report, EU members had officially named Borrell the successor of Federica Mogherini on the position of EU High Representative for Foreign Policy and Security.
Borrell will take over his duty at the end of October, it is said in the European Council statement.
Federica Mogherini's successor, Josep Borrell, will face with the open issues of Iran, Venezuela, China and relations with USA.
"Spanish veteran will face with numerous challenges, starting from Venezuela to the Balkans, in times of EU fading impact", FT reports, adding that tensions between Belgrade and Pristina are rising, despite EU mediation.