Poiana Vadului (until 1968 Neagra; ) is a commune located in Alba County, Transylvania, Romania. It has a population of 942 as of 2021, and is composed of eleven villages: CosteÃÂti, Duduieni, FÃÂgetu de Jos, FÃÂgetu de Sus, HÃÂnÃÂÃÂeÃÂti, LupÃÂieÃÂti, MorcÃÂneÃÂti, PÃÂÃÂteÃÂti, Petelei, Poiana Vadului, and StÃÂneÃÂti.
The commune is located in the northwestern corner of the county, in the Bihor Mountains; it is a starting point for ascending the CucurbÃÂta Mare peak, which is, at , the highest peak in the Apuseni Mountains range. Situated in the ÃÂara MoÃÂilor ethnogeographical region, Poiana Vadului lies at a distance of from Câmpeni and from the county seat, Alba Iulia.