Answer: SERB
SERB is a crossword puzzle answer that we have spotted 147 times.
    - Native of Novi Sad
 
    - Recent fighter
 
    - Author Ivo Andric, for one
 
    - Slobodan Milosevic, e.g.
 
    - Albanian foe
 
    - Certain Balkan
 
    - Belgrade native
 
    - Balkan combatant
 
    - Combatant in Kosovo
 
    - Cyrillic alphabet user
 
    - Balkan native
 
    - Kosovo combatant
 
    - Macedonian's neighbor
 
    - Romanian's neighbor
 
    - Vojvodina resident
 
    - European in the news
 
    - Many a Bosnian
 
    - Dweller along the Morava River
 
    - Dweller on the Danube
 
    - Kosovo war participant
 
    - Certain Slav
 
    -     Certain dweller on the Danube
 
    - Novi Sad resident
 
    - 1999 war combatant
 
    - Belgrade resident
 
    - A Balkanite
 
    - Dweller along the Danube
 
    - Nikola Tesla, for one
 
    - Dweller on the Morava River
 
    - Dinar earner
 
    - Landlocked European
 
    - Slobodan Milosevic, for one
 
    - Zoran Djindjic, for one
 
    - Eastern European
 
    - Balkan resident
 
    - Kosovo native
 
    - Bulgarian's neighbor
 
    - Balkan War participant
 
    - Bosnian citizen
 
    - Bosnian, e.g.
 
    - Balkan bloke
 
    - Novi Sad native
 
    - Early Balkans settler
 
    - Former Yugoslavian, maybe
 
    - Kosovo resident
 
    - Metohija native
 
    - Belgrade citizen
 
    - Certain Balkanite
 
    - About one in three Bosnians
 
    - One of a Macedonian minority
 
    - Croat neighbor
 
    - Many a Montenegro resident
 
    - Nis native
 
    - Croat's neighbor
 
    - One from Belgrade
 
    - 1999 combatant
 
    - Certain Balkan native
 
    - Belgrade inhabitant
 
    - Kosovar's foe
 
    - Albanian's neighbor
 
    - One kind of Bosnian
 
    - Slav sort
 
    - Certain Bosnian
 
    - Certain one-time Yugoslavian
 
    - Sarajevo combatant
 
    - Certain Eastern-European
 
    - Kosovo citizen
 
    - One celebrating Saint Sava's Day
 
    - Some Bosnians
 
    - Dinar spender
 
    - Belgrade resident, for short
 
    - Neighbor of a Croat
 
    - Bosnian, for one
 
    - Resident of Belgrade
 
    - Balkan Peninsula settler
 
    - Nikola Tesla, e.g.
 
    - Chess grandmaster Svetozar Gligoric, e.g.
 
    - Balkans dweller
 
    - Balkans native
 
    - Belgrade dweller
 
    - UN delegate since 2000
 
    - Belgrade citizen, perhaps
 
    - Kosovo War combatant
 
    - Balkan Wars participant
 
    - Slav of Europe
 
    - Hungarian's neighbor
 
    - Slav
 
    - Tennis's Novak Djokovic, by birth
 
    - Novi Sad citizen
 
    - Balkans native, perhaps
 
    - Kosovo dweller, perhaps
 
    - Milosevic, for one
 
    - Belgrade denizen
 
    - Milosevic, e.g.
 
    - Tennis's Ana Ivanovic, for one
 
    - Croat enemy
 
    - Tesla, e.g.
 
    - Tennis's Novak Djokovic, e.g.
 
    - Vojvodina native
 
    - One for whom "hello" is "zdravo"
 
    - 31-Across resident
 
    - Novak Djokovic, for one
 
    - Balkans resident
 
    - Particular Slav
 
    - Person from Belgrade
 
    - Tesla, by birth
 
    - Monica Seles, e.g.
 
    - Belgradian, e.g.
 
    - Monica Seles, by birth
 
    - Southern Slav
 
    - Ivanjica inhabitant
 
    - Novak Djokovic, by birth
 
    - Neighbor of a Montenegrin
 
    - Montenegrin, e.g.
 
    - A Yugoslav, once
 
    - President Aleksandar Vucic, for one
 
    - Member of a Macedonia minority
 
    - A Belgradian
 
    - One south of the Danube's Iron Gates
 
    - Southeastern European
 
    - Djokovic, ethnically
 
    - NBA's Nikola Jokic, e.g.
 
    - Speaker of a language that has both Cyrillic and Latin alphabets
 
    - Certain Eastern European
 
    - Participant in a 1990s civil war
 
    - Typical University of Belgrade student
 
    - Novi Sad local
 
    - Person from Belgrade or Kragujevac
 
    - Tennis' Novak Djokovic, for one
 
    - Belgrade resident, e.g.
 
    - Kosovo resident, perhaps
 
    - Macedonian neighbor
 
    - 14-Down native
 
    - Skadarlija resident
 
    - Person from Belgrade or Subotica
 
    - About one in three residents of Bosnia
 
    - Tesla, for one
 
    - Nikola Tesla, ethnically
 
    - Bosnian's neighbor
 
    - The NBA's Boban Marjanovic, for one
 
    - Slavic native
 
    - Neighbor of a Kosovar
 
    - The NBA's Nikola Jokic, for one
 
    - N.B.A. star Nikola Jokic, for one
 
    - Novak Djokovic or Nikola Jokic, by birth
 
    - Person from Kraljevo or Belgrade
 
    - The 20th-century king Peter the Liberator, for one