From The Stargate Omnipedia
A world in the Pegasus Galaxy
known to the Athosian
people as an active trading outpost for everything from agricultural goods to arms.
Teyla Emmagan, who has friends on Belkan, was familiar with the land, the people, and their shrewd trading practices.
The planet has become home to at least one displaced Satedan, Solen Sincha.
HOME TO - Belkans
FIRST APPEARED - Trinity
Trinity - Teyla and Ronon travel to Belka to initiate trade with Hendon, a Belkan who possesses a disease-resistant strain of flax seed that Teyla wishes to possess for crops on the Athosian mainland.