There are several military regions in China. What are their respective responsibilities and defense objectives?

***7 major military regions. The Beijing Military Region governs Beijing, Tianjin, Hebei, Shanxi and Inner Mongolia, and its defense direction is Russia and Mongolia.

Shenyang military area command governs Liaoning, Jilin and Heilongjiang, and its defense direction is opposite to that of Russia, North Korea and the Yellow Sea.

Jinan military area command governs Shandong and Henan, and its defense direction is opposite to the Yellow Sea.

Lanzhou Military Region governs Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang and Tibet (in part), and its defense direction is Mongolia, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan and India.

The Guangzhou Military Region governs Hubei, Hunan, Guangdong, Guangxi and Qionglai, and its defense direction is Vietnam and the South China Sea.

Chengdu Military Region governs Chongqing, Sichuan, Guizhou, Yunnan and Tibet (except Ali), and its defense direction is Vietnam, Laos, Myanmar, India, Bhutan and Nepal.