The planet's capital city was primarily a series of low domes broken by a tall spire, the Tower of Commerce, which marked the Sacred Marketplace, and was the seat of power of the Grand Nagus, the leader of the Ferengi Alliance.
The planet was best known for its nearly constant, planet-wide torrential rains, rotting vegetation, and rivers of muck.
In the mid-24th century, Ferenginar experienced rampant inflation and currency devaluation after the Great Monetary Collapse. Many accounts, including some belonging to Quark, were devastated. (DS9: "Homefront")
In 2374, after Grand Nagus Zek added an amendment to the Ferengi Bill of Opportunities allowing females to wear clothes and make profit, Ferenginar was plunged into financial chaos and a communications blackout was imposed. (DS9: "Profit and Lace")
- Ferenginar: This planet was located in the Ferenginar planetary system. The capital of this world, and of the Ferengi Alliance, was Ferenginar. In 2378, there were 78.2 billion Ferengi living on this world. (pgs. 35, 36)
- Ferenginar system: This was a single star system. Ferenginar was a M class star with a magnitude of +5, which was the same brightness as Sol. (pg. 36)