Iași (historically referred to as Jassy, Yassy, Yassi, Iassy, or Iassi) is a city in Moldavia, northeastern Romania. Iași may also refer to: Places in Romania Iași County Iași, a village in Recea Commune, Brașov County Iași-Gorj, a village in Drăguțești Commune, Gorj County Iașu, a village in Ulieș Commune, Harghita County Historic geography Municipium Iasorum, an autonomous territory in ancient Roman Pannonia (in present-day Croatia) Other uses Jasz people, an ethnic group in Hungary, of Ossetic origin IASI, the Infrared atmospheric sounding interferometer Iași Open, a professional tennis tournament See also Jassy (disambiguation) Yasi (disambiguation) Lasi (disambiguation)