Saturday & Sunday, August 26 & 27:  Greek Festival.  Enjoy live music, a wide array of Greek food and drink, authentic Greek dances, Greek market/bazaar, and cultural presentations.    Ala Moana Park, McCoy Pavilion, 1201 Ala Moana Blvd., Honolulu.  12 noon to 9 p.m.  For information call (808) 394-8644 or visit http://www.greekfestivalhawaii.com/.