The eleventh´PQ was held in the Industrial Palace and at the Křižík's Pavillion E at the Prague Exhibition Grounds.
52 countries took part in PQ07: Argentina, Australia, Austria, Belarus, Belgium, Brazil, Bulgaria,Canada, Chile, Croatia, Cyprus, Czech Republic, Denmark, Egypt, Estonia, Finland, Georgia, Germany, Greece, Hong Kong S.A.R. China, Hungary, Iceland, Ireland, Israel, Italy, Japan, Latvia, Lithuania, Mexico, Netherlands, New Zealand, Norway, Pacific Islands, Philippines, Poland, Portugal, Republic of Korea, Republic of South Africa, Romania, Russia, Serbia, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland, Taiwan, Turkey, United Kingdom, USA, Venezuela
PQO7 websites, information about the program including an access to the program database