Major production by municipalities in the fiscal year 2006 included 329 tons from Nishio City, Aichi Prefecture, a major producer of tencha, (according to research by the Tokai Regional Agricultural Administration Office) and 264.5 tons from Wazuka-cho, Soraku-gun, Kyoto Prefecture (according to research by Kyoto Prefecture).
また、2006年度の市町村別生産量では、主要産地の愛知県西尾市が329t（東海農政局調べ）、京都府相楽郡和束町が264.5t（京都府調べ）となっている。