Poarta Albă is a commune in Constanța County, Northern Dobruja, Romania. The commune is a port on the Danube–Black Sea Canal. I…Poarta Albă is a commune in Constanța County, Northern Dobruja, Romania. The commune is a port on the Danube–Black Sea Canal. In the early 1950s, a prison camp operated at Poarta Albă, part of a chain of forced labour camps set up along the length of the Canal by the communist authorities. Some 12,000 prisoners were held at the Poarta Albă camp. Many perished due to the harsh working conditions. According to a study done by the International Centre for Studies into Communism, 12.7% of all political prisoners in Communist Romania did some time at Poarta Albă.