According to Psalm 106:19, where did Israel make a calf and worship it?

Answer: Horeb

"At Horeb they made a calf and worshiped a molten image," exchanging their Glory for the image of a grass-eating ox.

“At Horeb they made a calf and worshiped a molten image. They exchanged their Glory for the image of a grass-eating ox.”— Psalm 106:19-20 (BSB)