Retail sales were led lower by supermarkets, fuels, lubricants, foods and beverages, the data showed.

Greece's economy expanded for a third straight quarter between July and September, driven by strong tourism and higher government spending. Gross domestic product expanded 0.3 percent in the third quarter from the second.

The government expects the economy to grow by 2.5 percent this year.

(Reporting by George Georgiopoulos)