Social space is relation space manifestated by the existence of comunities, so it become the identity of the area. The district of Pekan Labuhan has a long history of relations between ethnic. Ethnic Malays as the indigenous hereditary have been running daily life at this place. The appeal of the Deli River as a harbour area made ethnic Chinese came later then occupied and then run business activities at this place. The aim of this research is to explain the process the intermingling of ethnic Malay and Chinese in the old city to making social spaces. These social space become the reason the community survive and run his life here. Through qualitative research methods, social space can be articulated and described from explained relationship by etnic Malays as indigenous and Chinese as newcomers. The space becomes a power to struggle and defend the identity between the two ethnicities in the area.