Where was the largest labor camp in China?

In Hainan Mongolian and Tibetan Autonomous Prefecture, Qinghai Province.

Koluke is Mongolian, meaning "a place with abundant water and grass". It is an important town in the west of Delingha and on the 315 line. It is adjacent to Chuji Township and Gahai Town in the east and Dudu in the south. It borders Lan County, Subei County of Gansu Province to the north, and Huatoutala Town to the west.

The total area is 6,125 square kilometers, the grassland area is 7.4495 million acres, the usable grassland area is 2.09 million acres, and the per capita grassland area is 9,197 acres. There are 32,441 acres of cultivated land, and the per capita cultivated land area is 2.8 acres. The town has a registered population of 12,428, with 19 ethnic groups including Han, Mongolian, Tibetan, Hui, Tu, and Manchu. It is an agricultural and animal husbandry town that currently governs 12 administrative villages and 1 community.

Extended information

Labor reform institute: a criminal management method used by socialist countries, introduced from the former Soviet Union in the 1950s.

A kind of slogans and slogans that often appear in prisons, using forced labor on inmates to achieve the purpose recognized by managers. Reeducation through labor is often confused with labor education both inside and outside China, and Chinese officials generally refer to it as "second labor". However, the two are completely different, with the latter being an administrative punishment system.

Baidu Encyclopedia - Laogai