The 6th International Conference on Representation Theory will be held in Zhangjiajie, Hunan province of China, 18th-23th June, 2013. The subjects of the conference include but not limit to:. Representations of Algebraic Groups and Quantum Groups, Hecke Algebras and Their Representations, Representations of Lie Groups and Lie Algebras, Representations of Algebras, etc. The history of the series of the international conferences on representations started in 1998 in Shanghai. The second one was held at Kunming in 2001, the third one was held at Chengdu in 2004, the fourth one held at Lhasa in 2007 and the fifth one in Xi'an in 2010.