The Anturi Reach and the Senex-Juvex Loop formed two sides of the region, while the edges of the square were defined by the planets Kalgo 13, Karfeddion, Tekurr'k, and Usnia. Hyperlanes converged in the center of the Tangles on the planet Suliana.
Other planets around the Tangles were Tranthellix, Osmani, Shoon, Antiquity, Port Evokk, Atron, Anturus, Denebia, and Doreen. Planets inside the region included Bator Bai, Jalarren, and Voorsbain.
- The Essential Atlas