Eroski is a Spanish supermarket chain from the Basque Country with nearly 1,000 outlets spread across Spain . It is run as a worker-consumer hybrid co-operative within the Mondragón Corporation group. The establishments vary in size from the largest hypermarkets, simply named 'Eroski', down to smaller 'Eroski Center' stores. There are also 219 'Eroski City' outlets and 234 'Eroski Viajes' travel agent centres. The group's total sales floor space is approximately 1,500,000 square metres (16,145,866 sq ft). The name Eroski is a combination of the Basque words "erosi" and "toki" (place).