Yuzhno-Sakhalinsk is a Russian port city located on the island of Sakhalin, just north of Japan. The city is the administrative center of Sakhalin Oblast, and has a population of around 180,000. Yuzhno-Sakhalinsk is a major transportation hub, with a large seaport and a major airport. The city is also home to the Sakhalin Energy company, which operates the world's largest liquefied natural gas (LNG) plant.
The city is a major tourist destination, with many natural and historical attractions. The city's main landmark is the neo-Gothic Holy Resurrection Cathedral, which is the largest cathedral in the Russian Far East. Other attractions include the Botanical Gardens, the Sakhalin Regional Museum, and the remains of the Japanese prison camp of Kholmsk.