Objectives: To investigate the average duration of hospitalization of patients who underwent surgical treatment of fractures of the humerus in Nova Gradiška General Hospital from 2009 to 2019 and to determine whether there is a difference in the length of hospitalization regarding the gender and age of the patients. Study design: Cross-sectional study. Patients and methods: The study includes 52 patients who underwent surgical treatment for a fracture of the humerus. Data on subjects was extracted from patient operating protocols and collected by reviewing hospital archives and medical records. MedCalc Statistical Software version 19.1.7 was used for statistical analysis. Results: The median age of the patients was 64 years (interquartile range from 53 to 75 years), ranging from 8 to 88 years of age. With regard to the type of fracture, 62% of patients had a fracture of the proximal part, one patient had a fracture of both the proximal and central part and several patients had a distal fracture of the humerus. Sixty-three percent of patients had a fracture on the left arm and one patient had a bilateral fracture. Women older than 60 had the most fractures, 27 of them, which is 77% of the total number of patients. The highest proportion of fractures in men is observed between the ages of 50 and 79, with 13 cases, which is 76% of male patients. Conclusion: The median length of hospitalization was 7 days (interquartile range of 5 to 13 days), ranging from 1 to 30 days, with no significant difference related to patient gender, and the interconnection between the length of hospitalization and the age of patients was not significant.