Wuhan is the capital of the Hubei province, and intersects the middle reaches of the Yangtze and Han rivers. It is divided into three boroughs, namely Wuchang, Hankou and Hanyang. The name 'Wuhan' comes from the 'Wu' from Wuchang, and the 'Han' from the other two boroughs. The name 'Wuhan' came into use officially in 1927. It is a sub-provincial city, has a population of 7.81 million and is a major transportation hub. The city's layout resembles a concentric circle, with the city centred on the metropolitan area and the rural areas outside of the main city.
Wuhan has a land area of 8494.41 km2, and is known for its geographical features such as lakes, rivers and hills, the most famous of them being the Yangtze River. Wuhan is a region experiencing temperate climate, with notoriously hot summers, mild springs and autumns, and cool winters. The annual average temperature is around 15 to 17 degrees Celsius.