Vietnam (Annam), Thailand (Song Hulu)
Annam is a general term for porcelain made in Vietnam. In Vietnam, under the influence of Chinese ceramics, celadon and white porcelain were fired early, but from the 14th and 15th centuries, sometsuke and red painting began to be produced.
On the other hand, there was a considerable amount of trade between Japan and Vietnam from the end of the Muromachi period to the beginning of the Edo period.
Ceramics fired in Suwankhalok, Thailand's old capital, under the guidance of Chinese potters around the 14th century.
It is also the general name for Thai pottery in Japan.
This name is a corrupted version of Suwankalok, and in Japan, it is written with characters such as Sogouroku and Sungoroku.