Alpha Holler II

From Memory Alpha, the free Star Trek reference

Alpha Holler II is a planet in or near the boundaries of the Federation.

In 2328 the SS Manila made a stopover at Alpha Holler II. This information was part of a commercial passenger manifest database recorded in Federation records reviewed by Data in 2370. (TNG: "Inheritance")

This planet only appeared mentioned in an okudagram on a viewscreen visible in freeze frame.