These are lists of political office-holders in Transylvania, from the 10th century, until 1867.
Count of the Székelys – royal officials appointed from the first half of the 13th century to the second half of the 15th century to lead the Székelys independently of the voivodes.
Voivode of Transylvania – great officials of the realm appointed by the monarchs to administer parts of Transylvania (includes a list of the sovereigns appointing them)
Gelou, legendary Duke of Vlachs, is mentioned exclusively in the 13th century Gesta Hungarorum written by an unknown chronicler referred to as Anonymus. Romanian historiography claims that he was an actual person. Hungarian historiography claims that Gelou is a fictional person created by Anonymus from a toponym by etymology.[citation needed]
Gyula II (950), Hungarian tribal leader, initially his domains were situated at the region of southeast Hungary bordered by the rivers Temes, Maros, Körös, Tisza and Tutisz (unknown, but possibly the Béga). Gyula's tribe moved to Transylvania possibly around 950, however according to early chronicles, his family's progenitor was one of the seven conqueror chiefs who occupied Transylvania at the time of the Hungarian conquest of the Carpathian Basin[citation needed]
St. Stephen I(István) (1003–1038), first Christian King of Hungary (1000), Arpad dynasty member, maternal grandson of Gyula the Old, defeated Gyula the Young and the Bulgarians ("Kean")[citation needed]