This document summarizes the findings of the Makkah Heart Failure Registry (MHFR) which included 993 heart failure patients treated at King Abdullah Medical City between October 2018 and June 2021. The average age was 56.9 years and 75.7% were male. Etiologies included ischemic (43.1%), dilated (35%), and other causes (21.8%). Patients were divided into three groups: Group I (33.1%) received sacubitril and had more severe disease, Group II (59%) received standard medical therapy, and Group III (7.8%) were patients evaluated during Hajj in 2019. The registry provides insights into the demographics, characteristics, treatments, and outcomes of