Balun is a traditional Istrian dance performed in pairs to music played by traditional instruments. You can see a video here.
This is a pitcher made of earthenware that was traditionally used to serve wine at special occasions. Today this is a popular decorative souvenir that's often often personalized with someone's name.
B is also for Bura, a strong, cold wind that blows in the Adriatic.
B is also for Bazga (elderflower).
And B is also for Boškarin, a type of Istrian ox.
(Image Source: Istria Tourist Office)