You can see the Muslim populations in other parts of Europe: Albanians in Albania, Kosovo and Western half of North Macedonia. In Bosnia the Bosnian parts are more red as well, Northern and Eastern Serbian parts are lighter:
Serbs are Orthodox Christians, Bosniaks are Muslim and the minority Croatians are Roman Catholics historically.
You can see the Muslim populations in other parts of Europe: Albanians in Albania, Kosovo and Western half of North Macedonia. In Bosnia the Bosnian parts are more red as well, Northern and Eastern Serbian parts are lighter:
Serbs are Orthodox Christians, Bosniaks are Muslim and the minority Croatians are Roman Catholics historically.