Aldebaran III

Aldebaran Prime is the third planet in the Aldebaran star system. Its official catalog name is Alpha Tauri III, and is sometimes referred to as Aldebaran III, or simply Aldebaran. Location of a Federation colony, which became the 18th full member of the United Federation of Planets in 2207. (TOS: "Where No Man Has Gone Before" and "The Deadly Years"; Star Trek Maps)

In 2224, the Federation Olympics were held on Aldebaran. ("The Lives of Dax" anthology)

The capital of Aldebaran Prime is New Melbourne. Another major city is New Canberra, where a Federation shipyard is located. (Kal-Dixas PbEM; Ships of the Fleet)

Excellent vineyards are located on the northern continent, where Aldebaran whiskey is produced. (TNG: "Relics" novelization)

In 2370, Jonathan Kincaid was elected as planetary governor of Aldebaran Prime. (Kal-Dixas PbEM)