Lasthenes (Ancient Greek: Λασθένης) or Leosthenion (Λεωσθένιον) or Sosthenion (Σωσθένιον) was a town of ancient Thrace, inhabited during Roman and Byzantine times.[1]
Its site is located near İstinye in European Turkey.[1][2]
41°06′54″N 29°03′09″E / 41.115124°N 29.052603°E / 41.115124; 29.052603