Сигету-Мармацией
The Iza is a left tributary of the river Tisa in northern Romania. Its source is in the Rodna Mountains. It flows into the Tisa near the city Sighetu Marmației. It passes through the communes Săcel, Săliștea de Sus, Dragomirești, Bogdan Vodă, Șieu, Rozavlea, Strâmtura, Bârsana, Oncești, Vadu Izei, and Sighetu Marmației. Its drainage basin covers an area of . Its length is .