BEIJING, June 9 (Xinhua) -- Chinese Vice Premier Zhang Dejiang left Beijing on Wednesday for an official visit to Pakistan, Sri Lanka, Greece and Austria from June 9 to 21.

Zhang is visiting the four nations at the invitation of Pakistani Prime Minister Yousuf Raza Gilani, Prime Minister of Sri Lanka D.M. Jayaratne, Greek Deputy Prime Minister Theodores Pangalos and Austrian Vice Chancellor Josef Proll, according to the Chinese Foreign Ministry.