Definition of nisaea:
(n) :
(historical) a royal capital of the Parthian Empire, now in Turkmenistan
(n) :
(historical) a town in Megara at the mouth of the Saronic Gulf
(n) :
(historical) several regions and towns in ancient Iran:
(n) :
(historical) a vast plain in Media, known for its namesake horse breed
(n) :
(historical) a region in Hyrcania or Parthia
(n) :
(historical) a town in Margiana, probably the capital of the mentioned region