Opa! One of the most anticipated street fairs of the summer returns this weekend bringing with it the rich spirit and savory flavors of ancient Greece. The St. Spyridon Annual Hellenic Fest, celebrated at the corner of Thames and Brewer Streets in downtown Newport, is a home-town, tented affair with Greek dishes (dolmades, souvlaki, moussaka, gyros– its all there), music, traditional dancing (where everyone is invited to join in and you can get down Zorba-style), a marketplace and the taverna, where you can enjoy cold beers, wine and authentic ouzo. The fest kicks off today at 4 p.m., celebrating through midnight, and continues Saturday from noon to midnight and Sunday from noon to 6 p.m. Rain or shine, free admission. Opa!