EntityQ1637444· pop 17· linked from 255 articlesKleisouraSign in to saveByzantine military frontier provinceConnectionseconomy of the Byzantine EmpireEntityExarchate of AfricaEntityByzantine lawEntityIslamEntityGreekEntityRoman EmpireEntityBalkansEntityByzantine EmpireEntityCyrillic scriptEntityInternational Standard Book NumberEntityThessalonikiEntityHagia SophiaEntitySilk RoadEntityEastern Orthodox ChurchEntityConstantinopleEntityRavennaEntitydigital object identifierEntitycaliphateEntitymountain passEntityEast-West SchismEntityCategoriesArab–Byzantine warsMarches (country subdivision)Military units and formations of the Byzantine EmpireMountain troopsSubdivisions of the Byzantine EmpireTypes of administrative division