Polykastro is a town and a former municipality in Kilkis regional unit of Central Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Paionia, of which it is a municipal unit, and the seat. The municipal unit has an area of 312.717 km2, the municipal unit 45.775 km2. The municipal unit of Polykastro has 12,000 inhabitants, and includes Polykastro and 23 villages. It is built near the Axios River, on the road and railway from Thessaloniki to Belgrade. It was formerly known as Karasuli (Turkish), Mavrosuli or Rugunovec.
Apostol Petkov Terziev was a Macedonian Bulgarian revolutionary and one of the leaders of the national liberation movement in Ottoman Macedonia. He was a leading Komitadji in the armed units of the Bulgarian Macedonian-Adrianople Revolutionary Committees and later participated in the Bulgarian People's Macedonian-Adrianople Revolutionary Organization. He took part in the battles against the Ottoman authorities in the Ilinden-Preobrazhenie Uprising and Macedonian Struggle. Historians from North Macedonia consider him an ethnic Macedonian historical figure.
Michael Sionidis was a Greek leader of makedonomachoi in the Macedonian Struggle.
Georgios Yiotas, best known as Gonos Yiotas, was a Slavophone Greek chieftain of the Macedonian Struggle. He is revered as a hero in the Pella region of Greece and ranks among the most notable participants of the struggle. He mainly operated around the Giannitsa Lake and cooperated with other well respected revolutionaries such as Stergios Daoutis, Alexandros Mazarakis, Ioannis Demestichas, and Tellos Agras. He came to be known as the “Ghost of the Lake”.
Evangelos Koukoudeas was a Greek guerrilla fighter the Macedonian Struggle and the North Epirote Struggle for Autonomy, hero of the Balkan Wars, and officer of the First World War and Greco-Turkish War (1919–1922).
Charalambos Boufidis, also known with the nom de guerre Kapetan Fourtounas, was a significant Greek chieftain of the Macedonian Struggle.
Stergios Vlachveis was a significant Greek chieftain of the Macedonian Struggle.
Theodoros Adam was a Greek chieftain of the Macedonian Struggle.
Georgios Pentzikis was a Greek chieftain of the Macedonian Struggle.
Iraklis Patikas, known as well with his nickname Kapetan Iraklis, was a significant Greek chieftain of the Macedonian Struggle.
Ioannis Simanikas was a Greek chieftain of the Macedonian Struggle.
Dimitrios Tsitsimis was a Greek chieftain of the Macedonian Struggle.
Konstantinos Garefis was a Greek chieftain of the Macedonian Struggle.
Christos Dogiamas was a Slavophone Greek chieftain in the Macedonian Struggle. He is also known by the nom de guerreKapetan Itsos.
Georgios Doitsinis was a significant Greek chieftain of the Greek Struggle for Macedonia.
Traianos (Traikos) Liantzakis or Lantzakis was a Greek chieftain of the Greek Struggle for Macedonia.
Christos Stogiannidis, also known by the nom de guerre captain Lilis or Iason was a Greek chieftain of the Greek Struggle for Macedonia.
Stergios Goutas was a Greek chieftain of the Macedonian Struggle.
Dimitrios Tsapanos was a Greek chieftain of the Greek Struggle for Macedonia.
Pantelis Papaioannou or Grekos was a Slavophone Greek chieftain of the Macedonian Struggle known by the nom de guerreKapetan Nikotsaras.
Kingdom of Greece 
HMC 