LEINEFELDE, Germany — The children came colorfully dressed to the family festival. They tumbled around an inflatable bounce house and in neon-colored sacks, wearing face paint and bright smiles.

Scattered amid the children’s games and guitar-strumming folk singers, though, were unwelcoming messages. “Stop the asylum flood” on a brochure. “Asylum traitors not welcome” on a T-shirt. “White Power” on an album.

This was the eighth annual Eichsfeld Day, a gathering of the National Democratic Party, which is a political party of avowed neo-Nazis better known as the NPD.

Recent violent demonstrations in the eastern German city of Chemnitz drew worldwide attention. In Germany, they set off a new round of soul-searching over identity, immigration and an emboldened far right.