HNSCC:
Founded in 1921 and functioned for the first time in 1925, providing superior military training. The mission of the School is to provide staff and postgraduate students training in the Naval Science and Strategy aiming at the preferment of the students' faculty in the decision-making process, their suitable training for the execution of staff and administrative duties within the whole scale of hierarchy, up to the undertaking under the Combative Officers of Administration of Naval Forces. The Faculty resides in Botanikos in the old Radio installations of the Navy.

HNARPO:
The Academy of Regular Petty Officers functioned in the T.C. POROS from 1897 until 1991 with various names (FACULTY OF APPRENTICE SEAMEN, ACPO, HNARPO). On the 30th of August 1991 the HNARPO was transported to its current place. It is the productive Academy of petty officers of the Navy, it belongs to the Superior rank of Third Degree Education and constitutes the Maximum Military Educational Institution. There, are educated the future permanent petty officers of HN so that after their graduation they are capable to fulfil their respective duties. The HNARPO resides in the region of Skaramagka.

T.C. PALASKAS :
The Training Centre PALASKAS (T.C. PALASKAS) was founded in 1948, including the main Faculties of the Navy. On the 26-3-2001 T.C. PALASKAS, T.C. KANELLOPOULOS and T.C. SAKIPIS were unified under a single centre called T.C. PALASKAS. The Mission of the Centre is the provision of theoretical and practical education to Officers, warrant officers, petty officers, EPOP and conscripted or other staff. Its mission is also the functionning of the centre of enlistment (C.E.) of the Conscripted Personnel, the functionning of the Centre of Mobilisation. T.C. PALASKAS is located in the region of Skaramagka.

KANELLOPOYLOS NAVAL BASE:
In 1948 Training Center Kanellopoulos Founded upon Ministry's of the Navy decision. In 1999 was decided the joining of Training Centers based in the regions of Salamina and Skaramaga as Training Center Palaskas and the foundation of Camp Kanellopoulos under the joint Command of the Commanding Officer of Training Center Palaskas which was completed in 2001.In 2008, upon the Decision of Navy's General Staff, Naval Base Kanellopoulos was founded as an Enlistment Center.
Her mission is the reception, enlistment and basic training of recruited sailors, and further transfer of reserved personnel. She is also providing services and support in matters of security, finance, supply, fire fighting and health care to the nearby Commands of Hellenic Navy stated in the region of Skaramaga.

T.C. POROS :
The T.C. POROS functions as Training Centre since 1991 and constitutes the main Training Centre of recruits of the Hellenic Navy. Its mission is to provide basic knowledge - so much in theoritical as well as on a practical level - to conscripted doing their service and to male and female volunteers aiming at their rapid and smooth integration in the orders of the Navy, contributing thus in the achievement of the mission of the Naval Training Command. The T.C. POROS is located on the island of Poros Trizinias.

N.PO:
The department of Naval Police (N.PO.) was founded on the 31 January 2005, and emanated from the fusion of the departments of naval law Votanicos Command and ANA. It resides in the region of Skaramagka. Its main mission is:
a. The investigation of road accidents in which are involved official vehicles, for the recording of the conditions of road accident.
b. The control of the application of the determined regulations of the Military Forces regarding the order, discipline and regular figuration of the military personnel and the circulation of vehicles of the Hellenic Navy.