The sixth World Atheist Conference will be held at Siddhartha Auditorium in Vijayawada, Andhra Pradesh, from January 5.
Atheist Centre Executive Director Vijayam said people from various countries would take part in the three-day conference.
Well-known atheists, humanists and rationalists would participate in the conference titled 'The Necessity of Atheism', he said.
Dravidar Kazhagam President Veeramani would inaugurate the conference.
On the concluding day, National Knowledge Commission Vice-Chairman and Cellular and Molecular Biology Founder Director P M Bharagava would deliver the valedictory address, he added.