OBJECTIVE: To determine the epidemiological characteristics of the patients who were treated at the Department of Emergency Medicine Splitsko-Dalmatianske part of the state offices in Split and Kastel Stari, such as gender, age, in which calendar month is more frequent treatment of arterial hypertension, and where the patient is addressed to later treatment (at home or at one of the emergency departments in the clinical hospital cenatr). MATERIALS AND METHODS: Data for writing this work were collected at the Department of Emergency Medicine Splitsko-Dalmatinske part of the state offices in Split and Kastel Stari. The research sample was targeted groups of patients who were treated at the Department of emergency medicine Splitsko-Dalmatinska part od the state of hypertension. The retrospective analysis of data on patients who have been treated for hypertension in the period from 01.09.2013. to 01.09.2014. year, based on the analysis of protocols and records (protocols) of patients treated at the Department of Emergency Medicine Splitsko-Dalmatinska part of the state in the offices of Split and Kastel Stari. RESULTS: Comparing the data on gender and age (age) provided information to the treatment of arterial hypertension in the Department of Emergency Medicine Splitsko-Dalmatinska part od the state often requests a females (58%) and men (42%), and that most often occur in people age in the sixth and seventh decade of life. This resulted in the fact that patients with arterial hipertenziom often requests a treatment in the months of November, December and January, and that after treatment at the Department of Emergency Medicine Splitsko-Dalmatinska part od the state home more often addressed than the further processing in the clinical hospital center. CONCLUSION: Arterial hypertension is listed as the first cause of mortality in the world, increases with age and is more common in women. It is important to diagnose at the time and as soon as possible to start treatment. It is more prevalent in persons of increased body weight, physically inactive, and occurs more frequently in the winter when there is not enough physical activity, and consumed oily and saltier foods