What nishio means
Nishio in Aichi Prefecture has been growing tencha for matcha since the thirteenth century and now accounts for a meaningful portion of Japan's total matcha output. Its matcha is often described as smooth and balanced, and the regional name Nishio Matcha is protected as a Geographical Indication by Japan's Ministry of Agriculture, Forestry and Fisheries.
Also called
Nishio also appears as Nishio matcha.