The new Market has a sales area of 650 square meters and a range of around 7,000 products.
On Tuesday, Carrefour opened three franchised proximity stores, two in Brasov and one in Bucharest.
The French retailer operates four store concepts in Romania, with a total of 139 units: 24 hypermarkets, 72 Market, 42 Express proximity stores, and an online store.
Carrefour had sales of EUR986 million, net of VAT, in 2012 on the Romanian market, up 3% on the year.