This paper examined the development of the Greater Port Harcourt City and its interaction with politics. planning and politics have common feature which has to do with ?decision making? whose outcome have varying implications on the welfare of the people. There appears to be constant symbiotic relationship cum interaction between planning and politics. As planning prescriptions are determined by the political-environment in which such planning is domiciled, so also is planning a veritable tool for achieving the political ideals of any society. Thus the interaction between planning and Politics most times are so interwoven that any attempt at separating them seems difficult. In sum, planning and politics connotes all approaches and means to realise the socio-economic and political ideals of a social system.