A demonstration led by the United Opposition - Strength in Unity is underway at Freedom Square. Party leaders are now making speeches.
Singer Buba Kikabidze, who is No.1 on the party's list, addressed supporters before encouraging them with his song.
"I'm happy to see lots of people here. Sending kisses to everyone. Without a shadow of a doubt, we will win, and then everyone will live a different and better life," he said.
Protesters have been subject to thermal screening, and social distancing precautions are also taken at Freedom Square.