Upvote:2
Α lucky guess is this: http://papadopoulou.gr/products/biscuits/miranda/chocolate
Another guess would be: http://papadopoulou.gr/products/biscuits/digestive/milk-chocolate
Best brands in Greece:
Papadopoulou: https://papadopoulou.gr/products/biscuits
Allatini by Elbisco: http://elbisco.gr/our-brands/allatini/ (probably not what you're looking for)