Holdus is a planet in Milky Way galaxy which has a Stargate. The planet is a low-tech world. On the planet that ruled a warlord named Arigan and he used the Eye of the Dawn for making people disappear so no one stood against him. And Hodlus' legal system is different from Earth.
Vala Mal Doran had been on the planet prior to get hold of Eye of the Dawn to sell it to the forth. She managed to escape but without the eye. In 2006 Vala was brought back to Holdus to face trial for the murder of Latika wife to Arigan, but she was then released when Latika emerged alive from the eye that had saved her. And when all those who had stored Arigan turned up so he was arrested for the attempted murder of several others. Vala and Daniel Jackson left the planet and Vala got an advice never travel to Holdus again. (SG1: "Shell Game")