This premium quality mackerel is prepared in Portugal by the famous Italian seafood company AsDoMar from 100% sustainable, Friend of the Sea certified Atlantic chub mackerel. As Do Mar is an Italian business headquartered in Genova with factories in Portugal and Sardinia, each right beside where the fishing boats land their catches. These delightful mackerel fillets are packed in high quality olive oil and are perfect for salads or sandwiches.