IMO 2015, Chiang Mai, Thailand

The 56th International Mathematical Olympiad will be held in Chiang Mai, Thailand, from 4 to 16 July 2015. 
The IMO 2015 will be hosted by The Institute for the Promotion of Teaching Science and Technology (IPST) · Chiang Mai University · The Mathematical Association of Thailand under the Patronage of His Majesty the King · The Promotion of Academic Olympiad and Development of Science Education Foundation under the Patronage of Her Royal Highness Princess Galyani Vadhana Krom Luang Naradhiwas Rajanagarindra (POSN). 

More information about IMO 2015 can be found in the official website: