Where is Nanyang mentioned in the series?

Nanyang is Southeast Asia in today's geographical scope, including Annan (now Vietnam), Myanmar, Siam (now Thailand), Malaya, Philippines, Borneo and east indies (now Indonesia). At the beginning of the 20th century, there were about 6 million Chinese in Nanyang, accounting for 79% of the global overseas Chinese population. After Sun Yat-sen founded the League, more than half of the revolutionary funds came from donations from overseas Chinese in Nanyang.

"Nanyang" is an ancient place name in China, not only in Singapore and other countries, but also in Southeast Asia. From the Qing Dynasty to the early Republic of China, the coastal provinces in northern Jiangsu were also called "Beiyang", and the coastal provinces and sea areas in southern Jiangsu were called "Nanyang". Broadly refers to Southeast Asia, narrowly refers to Java Island in Indonesia, and generally refers to Southeast Asia, such as Singapore, Indonesia, Malaysia, the Philippines and other countries. Specifically, it is close to Southeast Asian countries, especially the Malay Archipelago.