Styra Coordinates : 38°10′N 24°15′E ( Στύρα ) Coordinates 38°10′ N 24°15′ E Country Greece Periphery Central Greece Prefecture Euboea Population 3 , 346 source ( 2001 ) Elevation 10 m Postal code 340 15 Area code 22240 Licence plate code ΧΑ Styra ( Greek : Στύρα ) is a town on the southwestern shore of Euboea , facing the eastern shore of Attica across the Evoikos Gulf . Nowadays it can be reached by ferryboat from the tiny harbor of Aghia Marina , as well as by road from Halkida ( ancient Chalkis ) . Historical population Year Communal population Municipal population 1991 394 3 , 161 Municipalities and communities  of the Euboea Prefecture Aidipsos • Amarynthos • Anthidona • Artemisio • Avlida • Avlon • Chalcis • Dirfys • Dystos • Elymnioi • Eretria • Istiaia • Karystos • Kireas • Konistres • Kymi • Lilantia • Marmari • Messapia • Nea Artaki • Nileas • Oreoi • Skyros • Styra • Taminaioi Kafireas • Lichada  This Central Greece location article is a stub . You can help Wikipedia by expanding it . Styra ( Nea ) is a city located at the South-Western side of Evoia ( Euboea ) . It is nearby the sea and has a small harbour which connects Southern Evoia with Attiki prefecture . Actually there are two cities , Nea Styra ( New ) and Palaia Styra ( Old ) . In between of Nea Styra and Palaia Styra there was standing the ancient city of Styra , a city that has been referred at Homer 's Iliad ( Rhapsody B' ) . Additionally nearby Styra there are ancient structures standing which are 4 , 500 years old and are constructed using Megalithic Architecture . They are called Drakospita ( i . e . Dragon Houses ) and have been built using huge one piece stones ( monolith ) . The size of each of this stones is 4.0m length x 2.5m width x 1.5m height which makes it a megalithic monument like the similar ones found in Philippines and in Stonehenge ( UK ) . Nea Styra can be reached nowdays by taking the ferry from Agia Marina harbour cited at N.E. of Athens and today it takes about 40 minutes of travel to go from the one harbour to the other . Categories : Central Greece geography stubs | Cities and towns in Greece | Euboea Styra Στύρα Central Greece Euboea 3 , 346 2001 source 10 38 10 N 24 15 E 340 15 22240 ΧΑ 