In 2269, Catulla and the Federation were engaged in treaty negotiations. On stardate 5832, the negotiation period had reached a critical phase, but was threaten to be impacted by the actions of the son of the Catullan ambassador to the Federation, Tongo Rad. (TOS: "The Way to Eden")
Presumably, Catulla was located in the Alpha Quadrant.
- Catulla: In 2378, this planet was a Federation member. The planet was located in the Theta Pictoris planetary system. ("United Federation of Planets I")
- Theta Pictoris system: This system was a single star system. Theta Pictoris was a G-class star with a magnitude of +5, which was the same brightness as Sol. The system was located in non-aligned space. ("United Federation of Planets II")