http://www.eurobasket.com/Slovenia/basketball.asp?NewsID=141935 Yes, basketball exists in Slovenia. Both these teams are considered decent+ at a European level. Olimpija have been known to pull off timely upsets in the Euroleague...Both teams represent Slovenia in the Adriatic League. Sarunas Jasikevicius, Bostjan Nachbar, Yotam Halperin, Rasho Nesterovic, Beno Udrih, Jiri Welsch, Ariel McDonald, Primoz Brezec and Goran Dragic all played for Olimpija sometime in their careers.