Lüshunkou

Lüshunkou District is a district of Dalian, Liaoning province, China. Also formerly called Lüshun City or literally Lüshun Port, it was formerly known as both Port Arthur and Ryojun. The district's area is 512.15 km2 and its permanent population as of 2010 is 324,773.Lüshunkou is located at the extreme southern tip of the Liaodong Peninsula. It has an excellent natural harbor, the possession and control of which became a casus belli of the Russo-Japanese War. Japanese and then Russian administration was established in 1895 and continued until 1905 when control was ceded to Japan. During that period, it was world-famous and was more significant than the other port on the peninsula, Dalian proper.