PRUSA, (anc. geog.) a town situate at mount Olympus in Myia, built by Prusias, who waged war with Croesus, (Strabo); with Cyrus, (Stephanus); both contemporary princes. Now called Bursa or Prusa, capital of Bithynia, in Asia Minor. E. Long. 29. 10. Lat. 40. 30.