The protesters held banners and shouted slogans calling for an end to the violence by the regime against the the demonstrators in their country and stressing that president Nicolas Maduro must go.
At least nine people are known to have died, though there are fears the death toll could be much higher, as Venezuela has been engulfed in a wave of protests against the leftist government of President Maduro.
At least 137 people have also been injured and 104 have been detained in the two weeks of protests, Attorney General Luisa Ortega said on a radio show.
Five of the victims died in Caracas, including three from gunshot wounds during a massive February 12 anti-government rally that led to clashes between protesters, security forces and pro-government militias.
Among the injured, 100 are civilians and the rest are members of the security forces, Ortega says.
Fatalities include a beauty queen shot in the head during opposition protests in the north-central state of Carabobo.
Top Photo: Venezuela protests turn deadly