The aim of this paper is to critically review the limitations and implications of the leasernholding proclamation No 721/2011 on urban land lease holders as a general and on oldrnpossessorâ€™s as a particular with regard to the tenure security of the land holders throughrndiscussing the lease holding proclamations and related materials. The methodologyrnemployed here is doctrinal or legal analysis and may also conduct an interview with thernrelevant organ.rnIn this study what revealed is that the land holders are encountered land tenure insecurityrndue to poor real property registrations especially on old possession, restrictive rules on landrnholding, and frequent change of urban plan, unchallengeable administrative power in front ofrnan independent institutions or court and lack of effective legal protections to secure the landrnholders. Tenure security is the cumulative elements of objective and subjective tenurernsecurity. The objective element of tenure security refers to the existence of an effective legalrnprotection against eviction or arbitrary curtailment of land rights. The subjective elementrnrefers to the perception factor that landholders have sufficient confidence that they will notrnbe arbitrarily deprived of their rights over their land. so the writer tries to assess the tenurernsecurity of new urban land holding proclamation NO 721/2011 in general and the tenurernsecurity of old possessions of urban tenure with in light of the above elements of tenurernsecurity(objective and subjective tenure security). When we see these elements with therntenure security of old possessions the new urban land holding proclamation affects the tenurernsecurity of old possessions regarding the limitations of lease period, compensations, Size ofrnplot of land for replacement of the previous holding, and expropriations are the main issuesrnfor the tenure insecurity of the permit holding