Police have maintained a heavy presense at the Almedalen this year and for the first time introduced mounted police to avoid violent protests like what happened last year.
Among the measures introduced by police are the increase of officers on the ground, surveillance cameras, among other issues.
The national police confirmed the visibility saying it was meant to curb any potential disturbances.
The annual political festival has been criticised for allowing far-right and racist movements to hold meeting and marches last year.
Officials say this year, police were ready to quash any disturbances.
Last year, Neo-Nazis in Sweden assaulted pro-Israel activists outside a pavilion set up by the Israel-Sweden Friendship Association.