The Leizhou Peninsula, alternately romanized as the Luichow Peninsula, is a peninsula in the southernmost part of Guangdong province in South China. As of 2015, the population of the peninsula was 5,694,245. The largest city by population and area on the peninsula, was Zhanjiang.

Guangdong is a coastal province located in South China, on the north shore of the South China Sea. The provincial capital is Guangzhou. With a population of 126.84 million across a total area of about 179,800 km2 (69,400 sq mi), Guangdong is the most populous province of China and the 15th-largest by area as well as the third-most populous country subdivision in the world.