The five major war zones refer to the eastern war zone, the southern war zone, the western war zone, the northern war zone and the central war zone. As the only highest joint operational command organization in this strategic direction, the five war zones perform joint operational command functions in accordance with the requirements of combining peacetime and wartime, normal operation, specialization and high efficiency, and undertake the mission of responding to security threats, maintaining peace, containing wars and winning wars in this strategic direction.

The five military regions play a key role in China's national defense system and are responsible for maintaining the country's territorial integrity and security. Their formation and adjustment reflect the evolution of China's national defense strategy, aiming at adapting to the ever-changing geopolitical and security environment.

The specific distribution of war zones:

1. The Eastern Theater of the Chinese People's Liberation Army: It is the same as the former Nanjing Military Region, plus the East China Sea Fleet, Air Force, Rocket Army and Armed Police of the Military Region. The headquarters is in Nanjing, and the military organs are in Fuzhou. Leading and commanding the armed forces in Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi and Shanghai.

2. The Southern Theater of the Chinese People's Liberation Army: It includes the former Guangzhou Military Region (except Hubei Province), the former Chengdu Military Region and Yunnan-Guizhou Province, and has jurisdiction over the South China Sea Fleet, Air Force, Rocket Force and Armed Police. Headquartered in Guangzhou, the army organ is located in Nanning. To lead and command the armed forces of Hunan, Guangdong, Guangxi, Hainan, Yunnan and Guizhou.

3. The Western Theater of the Chinese People's Liberation Army: It was formed by the merger of the former Chengdu Military Region and the Lanzhou Military Region (except Yunnan, Guizhou and Shaanxi provinces), with its headquarters in Chengdu and its army organs in Lanzhou. To lead and direct the armed forces in Sichuan, Tibet, Gansu, Ningxia, Qinghai, Xinjiang and Chongqing.

4. The Northern Theater of the Chinese People's Liberation Army: It governs the three northeastern provinces plus Inner Mongolia and Shandong (that is, shenyang military area command plus Inner Mongolia and Shandong) and the North Sea Fleet, Air Force, Rocket Army and Armed Police under its jurisdiction. Its headquarters is located in Shenyang, and its army organs are located in Jinan. Leading and commanding the armed forces of Liaoning, Jilin, Heilongjiang, Inner Mongolia and Shandong.

5. The Central Theater of the Chinese People's Liberation Army: including the present Beijing Military Region and jinan military area command, excluding Inner Mongolia, which belongs to the Beijing Military Region, and Shandong, which belongs to jinan military area command, plus Hubei, which belongs to the Guangzhou Military Region, and Shaanxi, which belongs to the Lanzhou Military Region, with its headquarters in Beijing and its army organs in Shijiazhuang. Leading and commanding the armed forces in Hebei, Shanxi, Shaanxi, Henan, Hubei, Beijing and Tianjin.

For the above contents, please refer to Baidu Encyclopedia-Five Major Theater of China People's Liberation Army.