Huangpu

Shang-hai, situated 31°14'7" lat. N. and 121029' long. E., stretches nearly 10 miles along the l. bank of the Huang-p’u, on the opposite bank of which stands the suburb of P’u-tung.

Source: wiktionary

In 1864, Sir McDonald Stephenson, an eminent British engineer, arrived in China to impress the advantages of railways on China, but his scheme was pigeonholed. The next scheme was the Woosung Railway, from Shanghai on the Huangpu river to Woosung at its mouth, a distance of 12 miles.

Source: wiktionary

The first mill to send its Chinese workers home was the Nikka Number 8 Mill down the Huangp’u River from Shanghai at its Wusung entry to the vast Yangtze. The neighboring Wing On mill under Chinese owners continued to hum. There at Wusung Port was also the Chinese fortress guarding both the entrance to Shanghai’s waterway and the arterial Yangtze.

Source: wiktionary

Lockdowns for the city's residents east of the Huangpu river began on March 28, while lockdowns for the rest of the city started on April 1. The exercise originally was intended to last five days.

Source: wiktionary