The Marunouchi is representative office district in Japan. It began to be constructed when the Mitsubishi financial clique had received public land disposed of in 1890s. This district was developed by the Mitsubishi, largest landowner in this area. The character of this development can be observed from the view point of change of its land. In this research, focused on the transaction type and the business partner to which the land right was transferred, the interrelation between the change of the land and the developmental strategy of the Mitsubishi will be clarified.
