Croatia: Kuna (HRK). 1 Kuna is about SEK 1.28
Slovenia: Euro – a member of the EU since 2004, introduced the Euro in 2007.
Serbia: Serbian Dinar (RSD). 1 Dinar is about SEK 0.09.
Montenegro: Euro – although the country isn’t a member of the EU or the Eurozone.
Kosovo: Euro – see Montenegro.
Bosnia- Herzegovina: Convertible Mark (BAM). Locked to the Euro, 1 Mark is EUR 0.51.
Macedonia: Macedonian Denar (MKD). 1 Denar is about SEK 0.15.