Styra is a village and a former municipality on the island Euboea, Greece. Since the 2011 local government reform it is part of the municipality Karystos, of which it is a municipal unit. It is located in the southern part of Euboea, facing the eastern shore of Attica across the South Euboean Gulf. Nowadays it can be reached by ferryboat from the tiny harbor of Agia Marina, as well as by bridge from Chalcis. Above the port there is a hill where the church of Saints Kostantine and Helen is situated with a panoramic view of the coast and Stouronisi (Styra Island). Styra is a very popular destination for Athenians during the summer period. After the collapse of the Iron Curtain, Albanians migrated into the area.