Background: Type 1 diabetes is one of the quickly growing problems in Ethiopia. Adherencernto diabetes self-management of adolescents with type 1 diabetes is crucial for the control of typern1 diabetes to diminish mortality and morbidity. Prove of level of adherence to diabetes selfmanagementrnandrnassociatedrnfactorsrninrnadolescentsrnwithrntypern1 diabetesrnin Ethiopiarnis unknown.rnrnObjectives:rnTorndeterminernadherencerntorndiabetesrnself-managementrnandrnassociatedrnfactorsrnamongrnrnadolescentsrnwithrntypern1rndiabetesrninrnpublicrnhospitalsrnofrnAddisrnAbaba,rnEthiopia,rnfromrnMarchrn10rnrntornAprilrn25,rn2021.rnMethod:rnInstitutionalrnbasedrncross-sectionalrnstudyrnwasrndonerninrnfourrnarbitraryrnrnchosenrnrnpublic hospitals of Addis Ababa. Systematic random sampling technique was used tornselect a total of 422 participants. A structured and pretested questionnaire was prepared andrninterview technique was used for data collection. The data was collected by utilizing Koborncollect version 1.30.1 and exported to excel for checking and cleaning. Later the data wasrnexported to SPSS version 25 for analysis. Descriptive statistics, bivariable and multivariablernlogistic regression analysis was performed. A variable that has a P-value of