President Klaus Iohannis arrived on Saturday in the University Square for a campaign to collect signatures endorsing his bid for re-election this autumn.
Asked if he will attend the protest in Victory Square, Iohannis said: "Today I am in the University Square with you and I am very glad that we are all here."
The signature collection campaign was launched by the opposition National Liberal Party on Saturday.
Also in attendance was PNL national leader Ludovic Orban, the MEP Rares Bogdan, chair of PNL Bucharest Violeta Alexandru, chairs of the PNL Bucharest district chapters, other leaders of the party, as well as volunteers.
Nearly 200 people were in the area, with banners reading "Pentru o Românie normală' (For a normal Romania) and "Iohannis, presedintele meu (Iohannis, my president).