The Norkronia system, a star system, existed in the Core Worlds and the Negs areas of the galaxy. The Metellos Trade Route hyperlane linked it to both the Alland and Metellos systems. The Norkronian whistle-snakes creatures resided there.
The reference book The Essential Atlas, authored by Jason Fry and Daniel Wallace in 2009, was the initial mention of the Norkronia system, locating it in grid K-10.