Hundreds of neo-Nazis gathered in eastern Germany for a far-right rock festival to celebrate Adolf Hitler's birthday.

The far-right "Schild und Schwert" ("Shield and Sword") festival is being held in the Polish border town of Ostritz from April 20 to April 21, despite protests.

Nazi dictator Adolf Hitler was born in Austria on April 20, 1889.

Far-right merchandise, including T-Shirts with the slogan "I (heart) HTLR" were on sale at the event, as were toy tanks.

One sign read "Aryan brotherhood" and a poster from the far-right National Democratic Party protested against migrants to Germany since mid-2015 with the slogan: "Nursery schools instead of asylum camps".

More than 1,000 participants from Germany, Poland and Czech Republic will attend the neo-Nazi festival (
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REX/Shutterstock)
Far-right paraphernalia is on sale (
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AFP)
Participants have drinks at a bar at the "Schild und Schwert" (
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AFP)

Police officers were out in force, carrying out checks on roads near the festival and the train station.

They said they had arrested a 31-year-old who made an illegal "Heil Hitler" salute.

Germany has strict laws on hate speech and symbols linked to Hitler and the Nazis, who ruled between 1933 and 1945.

To counter the celebration of fascism, a 'festival for peace' was held in the market square of Ostritz, with a cycling event to protest against the far-right also due to take place.

A vendor waits for customers (
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REUTERS)
Organisers claim the event is political (
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REUTERS)

Authorities have been unable to stop the concert from happening because it is taking place on private property, but a court on Friday confirmed a ban on the consumption of alcohol during the event.

Judges said the neo-Nazi bands would likely fire up the crowd and alcohol might make attendees more aggressive.

Michael Kretschmer, premier of the eastern state of Saxony where Ostritz is located, said local residents and churches had organised the festival for peace of their own accord.

Police check a participant arriving (
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Getty Images Europe)
The festival marks the birthday of Nazi dictator Adolf Hitler (
Image:
REX/Shutterstock)

He added: "The fight against extremism is successful when it comes from the midst of society, when it is not prescribed but rather comes from the people themselves.

“I’m very happy that local authorities and police have found ways to make things difficult for the concert, so hopefully they won’t come back here again.

“We don’t want these people here.”

Mirko Schultze, 50, who is also a Saxony state politician of the far-left Die Linke party, told The Times of Israel: "This is a meeting of the European extreme right.

"We’re trying to occupy the public space around the hotel site to make clear that we defend democracy here, because otherwise Ostritz will become their new meeting ground."