When in Paris

If you want a little Breton flavor, wander into Montparnasse which is the Breton quarter of the city. There you'll find more creperies than you can shake a stick at and Breton gift shops and music/bookstores. Deep inside Montparnasse, you'll also find "La Mission Bretonne" or "Tri ar Vretoned." It's a community center for ex-pat Bretons where you'll find dance classes, talks, "Festou-Noz" and "Festou-Deiz" and all manner of things Breton.

Don't bother in July or August though, because it closes so everyone can go home to Brittany.

Their website.