High Quality Content by WIKIPEDIA articles! Rad is a village and municipality in the Trebi ov District in the Ko ice Region of eastern Slovakia. Trebi ov District (okres Trebi ov, Hungarian: T keterebesi járás) is a district in the Ko ice Region of eastern Slovakia. Until 1918, the district was mostly part of the Hungarian county of Zemplín, apart from a small area in the south-east around Ve ké Trakany which formed part of the county of Szabolcs.