Regional
This soup is found in Chinese restaurants in mainland China, Hong Kong, Taiwan, and some Southeast Asian nations such as Singapore, Malaysia, Indonesia, the Philippines, and Thailand. It is particularly popular in Hakka-speaking regions of southern China and Taiwan. It is also popular in Chinese takeout restaurants in the United States, Canada, Europe, and Japan. In the Philippines it is called sopang mais.
The soup may be derived from tofu-crab soup, a soup also found in restaurants in North America.
Read more about this topic: Corn Crab Soup