

Szabolcs was an administrative county (comitatus) of the Kingdom of Hungary ( Austro-Hungarian-Empire in present-day northeastern Hungary. The capital of the county was Nyíregyháza. Szabolcs county shared borders with the counties Borsod, Zemplén (Zemplín), Ung, Bereg, Szatmár, Bihar and Hajdú. It was situated mostly south of the river Tisza. Its area was 4637 km² around 1910.
Szabolcs is one of the oldest counties of the Kingdom of Hungary. After World War I, it was merged with a very small part of former Ung County to form Szabolcs-Ung county, with capital Nyíregyháza. But, villages of Eszeny (Esen) Szalóka (Solovka) and Tiszaágtelek (Tisaahtelek) at Tisza district were passed to Czechoslovakia. These villages were returned to Hungary between 1938 and 1944 but were passed to Soviet Union in 1945. Now, they are part of Ukraine after 1991. After World War II, the county was merged with the Hungarian parts of Szatmár and Bereg counties to form Szabolcs-Szatmár-Bereg county. Some parts of Szabolcs county (around Polgár and north-east of Debrecen) are now in Hajdú-Bihar county.
Első ízben a törvényhatóságokról szóló 1886. évi XXI. törvénycikk[1] írta elő, hogy a járásoknak állandó székhelye kell legyen. Ekkortól kezdve Szabolcs vármegye járásai és azok székhelyei az alábbiak voltak: