Szolnok is the county seat of Jász-Nagykun-Szolnok county in central Hungary. A city with county rights, it is located on the banks of the Tisza river, in the heart of the Great Hungarian Plain, which has made it an important cultural and economic crossroads for centuries. Szolnok also has one of Hungary’s best water polo teams.

Jász–Nagykun–Szolnok is an administrative county in Hungary. It lies in central Hungary and shares borders with the Hungarian counties Pest, Heves, Borsod–Abaúj–Zemplén, Hajdú–Bihar, Békés, Csongrád, and Bács–Kiskun. The rivers Tisza and Körös flow through the county. The capital of Jász–Nagykun–Szolnok county is Szolnok. Its area is 5582 km2. The county is named after the Ossetians (Jasz) and Cumans (Kun) who settled there, along with Szolnok. The county was part of the Danube–Criș–Mureș–Tisa Euroregion between 1997 and 2004.