Beijing is the capital city of the Republic of China. In the past it was known as Peking in English, lot of people are also confused because of the change of name. The Republic of China is divided into sixteen districts and two counties. After Shanghai, Beijing is the second largest city of the country. Beijing is very busy city and is the main point of numerous international flights to the Republic of China. Beijing is the main transportation area with loads of motorways, railways and roads. The capital city also hosted in 2008 the Olympic Games. The word Beijing means northern capital. To the Chinese Postal Map Romanization, Beijing is the name of the city. Several times the city has been renamed, in Jin Dynasty the city was called Zhongdu, during the rule of Mongol Yuan Dynasty the city was known as Dadu for the Chinese and Daidu to the Mongols. In the history of China it is said that the earliest trace of humanity are found in near the village of Zhoukoudian in the caves of Dragon Bone Hill.