Which three Jins do you mean?

The Three Jins refer to the three Jin Dynasties, that is, the three countries of Han, Zhao, and Wei in the early Warring States Period. Shanxi Province belonged to the State of Jin during the Spring and Autumn Period and the Warring States Period, so it was referred to as "Jin". In the early Warring States Period, Han, Zhao and Wei were divided into three parts of the Jin State, so it was also called the "Three Jins".

Shanxi Province is located in the middle of the Yellow River Basin, with the towering Taihang Mountains as a natural barrier to the east and adjacent to Hebei Province; to the west and south, the Yellow River is a chasm, facing Shaanxi and Henan Provinces; to the north, it spans the Great Wall , adjacent to the Inner Mongolia Autonomous Region. The domain outline is a parallelogram that slopes from northeast to southwest. It is a typical mountainous plateau covered extensively by loess. The terrain is higher in the northeast and lower in the southwest.

Extended information:

Shanxi was founded three times in history. The long history has left numerous cultural heritages, coupled with the complex and diverse topography, the natural landscape formed by rivers and mountains, and the tourism resources are very rich. The number of existing ancient buildings and traditional residences ranks first in the country, with 50 under national key protection and over 400 under provincial protection.

Mount Wutai, the holy land of Buddhism, has a collection of temples that have been preserved for thousands of years. Among them are the oldest existing wooden buildings and temples with a variety of architectural styles. Most of them are in Mount Wutai; the Hanging Temple in Hengshan is famous for its towering temples that meander on the cliffs. Thrilling, unique and famous; Jinci Temple, Pingyao Ancient City, Huozhou Department, Ruicheng Yongle Palace, Yongji Pujiu Temple, Jiezhou Guandi Temple, Yingxian Wooden Pagoda, Qiao Family Courtyard in Qixian County, Lingshi Wang Family Courtyard, Taigu Sanduotang constitutes the courtyard folk culture of Shanxi Jinzhong and the nationally famous Shanxi merchant culture.

Shanxi Provincial Government—Provincial Situation Overview