Nyíregyháza is a city in northeastern Hungary and the county capital of Szabolcs-Szatmár-Bereg. With a population of 118,001, it is the seventh-largest city in Hungary and is the leading city of Northern Hungary and of the northern part of the Great Hungarian Plain. Its development has been ongoing since the 18th century, making it the economic and cultural center of the region. Its zoo, exhibiting more than 501 species is recognized throughout Europe.

Nyíregyháza is located in Szabolcs-Szatmár-Bereg County in the northern Plain region (Szabolcs-Szatmár-Bereg county, Hajdu-Bihar county, and Jász-Nagykun-Szolnok County). It is located in the center of Nyírség as an agricultural town. The boundaries of the city are often understood as a very broad frame, because generally the near suburbs are included in them. It is located at the intersections of routes 4, 41, 36, and 38, therefore the city is easy to reach by road. Sub-Carpathia and Transylvania cannot be reached without passing the city.