Romaniotes , Jewish communities dating back to Antiquity , and the Ladino -speaking Sephardim , who arrived from Spain and settled chiefly in Thessaloniki during Ottoman times.Today the community amounts to roughly 5,500 people, concentrated mainly in Athens, Thessaloniki, Larissa, Volos, Chalkis, Ioannina, Trikala , Crete and Corfu, while very few