Japanese tea
Refers to tea produced in Japan, typically green tea such as sencha, matcha, or gyokuro. Often contrasted with Chinese tea or black tea.
Among Japanese teas, sencha is the most commonly drunk.
You can sample various Japanese teas at this shop.
紅茶 refers to Western black tea, whereas 日本茶 covers Japanese teas (mainly green) as a broader contrasting category.
Compound of 日本 (Nihon, 'Japan') and 茶 (cha, 'tea').