Lorentz National Park is an Indonesian national park located in the provinces of Central Papua, Highland Papua and South Papua, in the southwest of western New Guinea. With an area of 25,056 km2 (9,674 mi2), it is the largest national park in Southeast Asia. In 1999 Lorentz was declared a World Heritage Site by UNESCO.

Central Papua, officially the Central Papua Province is an Indonesian province located in the central region of Western New Guinea. It was formally established on 11 November 2022 from the former eight western regencies of the province of Papua. It covers an area of 61,072.91 km2 and had an officially estimated population of 1,452,810 in mid 2023. It is bordered by the Indonesian provinces of West Papua to the west, the province of Papua to the north and northeast, by Highland Papua to the east, and by South Papua to the southeast. The administrative capital is located in Wanggar District in Nabire Regency, although Timika is a larger town.