Gourmet Greek Restaurant Now Open! Open Tuesday - Sunday 12pm to 9pm 2535 Waukegan Road, Bannockburn, IL 847-607-9002 Order Online Catering Book Your Reservations space Menu Join us at Yiannis OPA! Embark on an adventure like no other, where the essence of Greece is celebrated and savored in each and every delectable creation! Located in the heart of the Bannockburn Green Shopping Center. View Menu Catering Let Yianni’s OPA do the the cooking for your next event! Click below to see menu. Catering Menu space Get On The List! Join our email list for special deals and updates! Name Email Join! Location 2535 Waukegan Road, Bannockburn, IL 60015 Directions