"The Theme of Thessalonica (Greek: \u03B8\u03AD\u03BC\u03B1 \u0398\u03B5\u03C3\u03C3\u03B1\u03BB\u03BF\u03BD\u03AF\u03BA\u03B7\u03C2) was a military-civilian province (thema or theme) of the Byzantine Empire located in the southern Balkans, comprising varying parts of Central and Western Macedonia and centred on Thessalonica, the Empire's second-most important city."@en . . . . "Thessalonica"@en . "Theme of Thessalonica"@en .