A Tesco spokesman said the deal had been referred to Poland’s Office of Competition and Consumer Protection for approval, expected later this year.
The stores have a total sales area of around 60,000 sq ft.
Poland has proved a tough market for European retailers. Analysts say there are too many chains battling for share.
But Tesco - which bought the HIT hypermarkets business three years ago - said earlier this year that it would develop its business in Poland. With the economy picking up, it plans to boost its sales area by 14%.