This document provides an overview of the startup ecosystem in Tokyo, Japan. It discusses that Tokyo is the capital and largest city of Japan, with over 13 million people. The circle of Japanese startups in Tokyo is growing rapidly, with 48 startups and 20 venture capitals currently. Most startups are located in Shibuya, Shinjuku, Chiyoda, Chuo, Minato, Meguro and Shinagawa wards. The document contains analyses of startups, venture capitals, supporting associations and concludes with a locational analysis map showing the distribution of startups across Tokyo's districts.