Pukou (simplified Chinese: 浦口区; traditional Chinese: 浦口區; pinyin: Pǔkǒu Qū), Jiangsu, China a district in the City of Nanjing which lies northwest across the Yangtze River from downtown Nanjing.

The district was formerly the southern terminus of the Tianjin-Pukou Railway; railcars had to be ferried across the river until it was bridged in 1968.

Pukou District is located at the northwestern of Nanjing city, between the Yangtze River and Chu River.

It is separated from the main part of the city by the Yangtze River with hundred miles of mountains and forests.

It has an area of 902 square kilometers with a population of 480 thousand.

In 2007, the GDP in the Yangtze River reached up to 16.21 billion yuan. There are four towns and seven block offices.

Ancient culture and profound history left behind many cultural heritages, natural landscape and places of interests, including National Ancient Mountain and Forest Park, Pearl Spring, Tang Spring, Amber Spring, Damo Stela, Huji Temple Site, Doulv Temple, Wen Temple and old gingko trees. A male ceramic mask found in the Panying Mountain Ancient Cultural site is honored as “the ancestor of Nanjing”, the oldest ever found artwork in this area.. Pukou District has been the transportation intersecter between the north and south part, as well as the thoat Gate of the North in Nanjing city. Facing the Yangtze River and with an overall control of Huai River Area, Pukou District is said to be “the Entrance of Nanjing” and “ the Natural Fortress in the northwest” with Jinpu railway and the 312, 328, 104 State Road through it. The first, second and third Bridge across the Yangtze River make it really convenient to travel.