http://www.washingtonpost.com/blogs/worldviews/wp/2013/05/23/a-surprising-map-of-where-the-worlds-atheists-live/The percentage of people who are "not religious" or "religion doesn't play an important role" seem to be similar in the Czech Republic and surrounding countries. But when you ask if they are atheists, the Czechs stick out in Central Europe big time. This is not the only study which shows this.
http://en.wikipedia.org/wiki/File:Europe_belief_in_god.svghttp://en.wikipedia.org/wiki/Irreligion_in_the_Czech_Republichttp://www.salon.com/2012/08/29/eight_of_the_best_countries_to_be_an_atheist/Why is the Czech Republic so awesome? ; )
