Sidirokastro

Sidirokastro is located 25 km to the northwest of the town of Serres, between the Vrontou and Angistro mountains (to the north) and the River Strymonas (to the west).
The city is crossed by the River Krousovitis.
Sidirokastro population is a mixture of indigenous people and descendants of the early 20th century waves of refugees from Asia Minor.
Angistro and Orville mountain ranges form natural boundaries of larger area and Greece with neighboring Balkan countries.
Sidirokastro is rich in minerals (marble, coal, manganese, copper, pyromorphite, iron, chrome, dolomite, uranium) and geothermal springs.

On September 20, 1383, Sidirokastro was taken over by the Ottoman forces and remained under their rule 529 years. Its name was changed to "Demir Hisar" (also called "Timurhisar"). Demirhisar was Kaza center in Thessaloniki Serres Sanjak province before Balkan Wars. In 1912, Sidirokastro was captured by Bulgarian Georgi Todorov general, but a few months, it came under Greek control when the Balkan wars ended. In 1915, during World War I, came under the control of the Central Powers, but remained a part of the Greek state when the war ended (1918). In April 1941, after the surrender of the city ROUPEL and German military invasion of Greece, the Bulgarian army occupied Sidirokastro as part of Triple Axis Occupation of Greece. Bulgarians went in 1944 with the rest of the Axis withdrawal.