Siret River
Due to the relief, the majority of the population in the rural areas work in agriculture. Fishing is another profitable occupation along the Danube and the Siret River. Galați is Romania's second harbour after Constanța, the navigable channel on the Danube allowing the passage of large ships. In Galați there exist the biggest metallurgical complex in Romania – the Mittal-Sidex Complex. Also the second biggest shipyard can be found also at Galați allowing ships up to 55,000 tdw to be built.