Abstract
This paper analyzed difference between design concepts at the time of a thing of Imperial capital revival land readjustment project and realities of the block formation by the project from the historical transition in Eastern Kyobashi ward. There are the some blocks where plotting of a merchant district of the Edo era was succeeded to in land readjustment area. From the project back, when follow the change of these blocks, cancel back residential land progressively, and a building scale grows big; show a tendency. However, speed of cancellation of back residential land is different by a placement of back residential land. After the cancellation, space construction of a block is different by influence of placement of back residential land. In the block of the present situation, it's showed that a uniform town area was not always formed even if it is uniformly a regional land readjustment project.