Szolnok-Doboka was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in northern Romania (northern Transylvania). The capital of the county was Dés (now Dej, Romania).
Szolnok-Doboka county shared borders with the Hungarian counties Szilágy, Szatmár, Máramaros, Beszterce-Naszód and Kolozs. The river Someà  flowed through the county. Its area was around 1910.
Szolnok-Doboka county was formed in 1876, when Belsà Â-Szolnok county (its center was Dés/Dej), most of Doboka county (its center was Doboka/DÃÂbâca at first, later Szamosújvár/Gherla) and the eastern part of the Kà Âvárvidék/Chioar district were united.
In 1920, by the Treaty of Trianon, the county became part of Romania, except from 1940 until the end of World War II, when it was returned to Hungary by the Second Vienna Award, with a slightly modified territory. The territory of the county is now divided between the Romanian counties of Cluj (the center and south, a.o. Dej), MaramureÃÂ (the north), BistriÃÂa-NÃÂsÃÂud (the east) and SÃÂlaj (the west).
In the early 20th century, the subdivisions of Szolnok-Doboka county were: