Oldenzaal is a municipality and a city in the eastern province of Overijssel in the Netherlands. It is part of the region of Twente and is close to the German border.

Overijssel is a province of the Netherlands located in the eastern part of the country. The province's name translates to "across the IJssel", from the perspective of the Episcopal principality of Utrecht by which it was held until 1528. The capital city of Overijssel is Zwolle and the largest city is Enschede. The province had a population of about 1,184,000 as of January 2023. The land mostly consists of grasslands and some forests ; it also borders a small part of the IJsselmeer to the west.