摘要：AbstractThe public space is a social capital and it becomes an important part of society, which can promote social cohesion and prevent further fragmentation and atomization of the society (Madanipour, 2003). When the privatization of the public space has blurred between the existence of public and private spaces; especially semi-public and semi-private spaces; so some people realize that public space is not so public. Madurese urban kampong in Surabaya is a social urban ecosystem that has unique characteristics; it is suspected to become a place that produced ambiguous spaces in the modern city era. However there are important questions regarding to the issue; that is: how is the organization of public space and it transformation process. Also how is their implication for social sustainability of Surabaya.
关键词：Ambiguous public space;madurese urban kampong;privatization;social sustainability
