Background: Benign prostatic hyperplasia is a prevalent disorder in geriatric people. It has an impact on the physical health of those over the age of 65 and interferes with their everyday activities. Study aim: To assess the knowledge and health care seeking behaviors among old age patients with Benign Prostatic hyperplasia at Assiut University Urology Hospital. Research design: a descriptive cross-sectional research design was used. Sample: old age patients aged 60 years and above diagnosed with benign prostatic hyperplasia. The total sample size was 218 elderly. Setting: The study was carried out in an outpatient clinic at the Urology Hospital of Assiut University. Tools: Three tools were used; the first tool was an interview-structured questionnaire that includes demographic data, and patients' knowledge regarding benign prostatic hyperplasia. The second tool was the questionnaire of health care seeking behaviors and the third tool was the International Prostate Symptom Score. Results: Ninety percent of the sample have a poor level of knowledge and 39.9% of them have sever benign prostatic hyperplasia symptoms, majority of them 83% are seeking health care when suffering from bothersome urinary symptoms. Conclusion: The majority of the patients in this study have a poor knowledge score regarding benign prostatic hyperplasia and seeking medical advice when they suffering from bothersome urinary symptom and fear of urinary retention. Recommendation: Providing booklet or handout to improve the knowledge of elderly patients about benign prostatic hyperplasia disease: causes, risk factors, treatment, and complications.