Ethnikos Sidirokastro F.C.

Ethnikos Sidirokastro Football Club is a Greek football club, based in Sidirokastro, Serres.

The club was founded in 1928. They spent two seasons at the Greek Second Division in 1975 and 1977. In 2012, they promoted to Football League 2, returning to the professional championships after 45 years.

Domestic Titles and honours

 * Total Titles: 12
 * Third Division: 2
 * 1974, 1976
 * Fourth Division: 1
 * 2012
 * Serres Regional Cup: 9 
 * 1972, 1973, 1988, 1992, 1996, 1999, 2000, 2011, 2012