What is the place I from like？

My county with five thousand years of ancient history.
In the last year,there are successfully hosted the Olimpic Games.This place is the 29th for the 2008 Olympic Games main stadium.People call it's Bird's Nest ,the total area of 21 hectares, construction area of 258,000 M ². Inside the audience of about 91000 seats, of which about 11,000 temporary seats.
Do you know where there is?
If you like CHINA,welcome,I'll take you visit Beijing!@__@