Postal code : - Area/distance code : 11-30- 210 (030-210)-2 Name of inhabitants: - Website: www.cityofathens.gr Thiseio , also Thisseio , Thisio and Thissio ( Greek : Θησε?ο) is the name of a neighborhood in downtown Athens , Greece , northwest of the Acropolis, 1.5 km southwest of downtown, and 1