Police Scotland officers also attended and said social distancing was maintained.
A spokeswoman said: “Our approach throughout the pandemic has been to engage with the public, explain the legislation and guidance, encourage compliance and use enforcement as a last resort.
“Those who gathered at the Caird Hall in Dundee today did so peacefully, wore masks and followed social distancing.
“We continue to ask everyone to do the right thing to stop the spread of the virus.”
Read more on the City Square protests:
Crowds gather in City Square to protest Israeli government’s treatment of Palestinians