Celiac disease (Celiac disease) has long been considered uncommon in Asia. However, some studies have suggested that in the Indian subcontinent and the Middle East, celiac disease is as prevalent as in Western countries. Outside these Asian regions, information on the epidemiology of celiac disease remains lacking or largely incomplete for various and changing reasons. Here, the authors discuss the epidemiological aspects and diagnostic barriers in several Asian regions including China, Japan, Southeast Asia, and Russia/Central Asia.