The Hellenic Police (Greek: Ελληνική Αστυνομία, romanized: Ellinikí Astynomía, abbreviated ΕΛ.ΑΣ.) is the national police service and one of the three security forces of Greece (the others being the Hellenic Fire Service and the Hellenic Coast Guard). It is a large agency with responsibilities ranging from road traffic control to counter-terrorism. Police Lieutenant General Dimitrios Mallios is Chief of the Hellenic Police. He replaced Lazaros Mavropoulos in January 2024. The Hellenic Police force was established in 1984 under Law 1481/1-10-1984 (Government Gazette 152/A/8-10-1984) as the result of the merger of the Gendarmerie (Χωροφυλακή, Chorofylakí, 1833–1984) and the Cities Police (Αστυνομία Πόλεων, Astynomía Póleon, 1921–1984) forces.

According to Law 7187/2025^{[AI-retrieved source]} which reorganized, upgraded and modernized the Hellenic Police's structure, mission and modus operandi, replacing the previous Law 2800/2000, the Hellenic Police is a security force whose primary missions are:

The Hellenic Police is constituted along central and regional lines. The force takes direction from the Minister for Citizen Protection.

The Hellenic Police force is headed in a de jure sense by the Minister for Citizen Protection (in a similar way that many US Police Departments give an elected civilian the role of Commissioner), and although the Minister sets the general policy direction of Greece's stance towards law and order as a whole, the Chief of Police is the day-to-day head of the force. Underneath the Chief of Police is the First Deputy Chief (Deputy of Operations), who oversees and coordinates all Operations and Special Police Forces across the country in accordance to the Chief's orders. In addition, in the event of the Chief of Police being unable to assume his duties, they will take over as the interim head. Underneath the First Deputy Chief is the Second Deputy Chief (Deputy of Staff), who heads the five Staff General Divisions of the Hellenic Police, which in turn coordinate all central and regional services of the force in order to ensure the enforcement of its five primary missions. The Policing and Security General Division is by far the most important, and includes the Policing Division, the Community Policing Division, the Public Security Division, the State Security Division (a division protecting the state and its interests equivalent to the NSA in the US, which replaced the National Security Service after its abolition in 1984), the Passports and Other Security Documents Division and the International Police Cooperation Division. Equal in rank to the Chief and the Deputy Chiefs, are the General Police Coordinators of Southern and Northern Greece, who have under their jurisdiction the regional services of both these administrative divisions.

Greece is divided into two sectors for policing, both headed by a General Police Coordinator with the rank of Lieutenant General. These sectors both contain several regions, headed by Regional Directors, usually with the rank of Major General or sometimes with the rank of Brigadier General.

Southern Greece (General Police Coordinator: Lt. Gen. Nikolaos Spiridakis)

Northern Greece (General Police Coordinator: Lt. Gen. Georgios Papadopoulos)

Note: While Thessaloniki is not considered a region from a geographical and administrative standpoint, the Thessaloniki General Police Directorate operates as a General Regional Directorate and is actually considered the Hellenic Police's "Northern Greece HQ".