Rutia IV

From Memory Alpha, the free Star Trek reference.

Rutia IV is the fourth planet of its' home star system. It is populated by the Rutians, a technologically advanced unaligned humanoid species.

The Lumar Cafe is a restaurant on the northern continent.

Since 2296, a separatist group known as the Ansata have tried to use terrorism to breakaway from the government of the Eastern continent.

In 2366, the USS Enterprise-D visited the planet to drop off medical supplies. During the visit, they witnessed first hand an act of Ansata terrorism, and Dr. Beverly Crusher was kidnapped by them. The Rutian government worked with them to get her back, but during the rescue they underwent several more attacks before eventually getting her back. (TNG: "The High Ground")

A view of the surface of Rutia IV was depicted on several viewscreens on Deep Space 9's promenade and replimat (DS9: "Rules of Engagement", "A Simple Investigation")