In comparison, sales in Romania added 10% year-on-year last month, whereas overall sales for the group rose by 4%, Jumbo said in a statement.
Last January, Jumbo's sales in Bulgaria and Romania jumped by 53% and 40% on the year, respectively, according to an earlier statement.
Looking ahead, Jumbo said it expects sales and profit in 2024 to grow by an annual 8% to 10%.