抄録
Fractal geometry, which has been proposed by B. Mandelbrot and has been proved to be effective in the analysis of complex forms in general, is applied to the analysis of street forms in cities. Through this method it is expected to discover have never been revealed to the human eyes as well as the necessary order of making forms in cities. This paper proposes a procedure of applying fractal geometry to the analysis of street forms and proves it to be effective through the case studies of medieval German and Islmic cities.