By popular demand, matcha masters Tea and Spoon Nanaya have opened shop in Tokyo. The place is well worth a visit for its wide range of matcha ice cream, tea, gelato, and other delights – including its famous 7-Levels of Matcha ice cream. They now also make an intense green-tea chocolate you can purchase in the shop(s). The shop is just to the southwest of Aoyama Gakuin Memorial Hall.
A chocolatier established in 1878 – Venchi – has a great store in Ginza. They also sell ice cream, gelato, and other delicacies.
The store is 2 blocks east of the Yurakucho LUMINE complex. To get there, get off @ Yurakucho Station, head northwest to the large LUMINE bldg, cross the street to the west, and then head west for about 2 more blocks. It’s on your right.
The large LUMINE bldg. is at the end of the street shown above. Venchi is the 3rd shop from the left shown in this photo. Facing west.