Counter-demonstrators also arrived in the thousands in Constance, in the south. Germany, to show support for the measures taken by the government to contain the virus.
They were also protesting against right-wing supporters of the other group, police said.
Between 10,500 and 11,000 people took part in the various protests on Saturday, and they continued on Sunday with sunny weather likely to attract more participants, police said.
The organizers of the protest against the restrictions had hoped that more than 200,000 people would attend so that they could form a human chain around Lake Constance on the border with Austria.
Counter-demonstrators formed a “chain of peace” around part of the lake.
Local authorities have imposed measures such as social distancing in an attempt to stem the spread of COVID-19[feminine[feminine.
They also banned the use of the Imperial German Reichsflagge, a symbol used by neo-Nazis and other far-right groups instead of the banned swastika flag.
A mix of civil rights activists, anti-vaxxers, neo-Nazis and members of far-right groups, including the opposition party Alternative for Germany (AfD), were in attendance.
These are not Germany’s first restrictive demonstrations, with mass marches against coronavirus sidewalks take place in Berlin at the end of August.
Protesters then stormed the steps of the Reichstag parliament building, some holding the Reich flag.
The images have spread around the world and have been condemned by leading German politicians.
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The country has handled the pandemic relatively well, with infections and deaths low compared to other European countries in the spring.
However, the number of cases is rising again and authorities are considering further restrictions that would slow the German economy after suffering its worst recession on record in the first half of 2020.