), is a town in the district of Borken in North Rhine-Westphalia, Germany, near the border with the Netherlands, 10 km east of Enschede.

With the growth of the textile industry and the founding of the Gronauer Bauverein (homebuilding) in the eastern part of the city (1893), an expansion of the settlement area began.

By the time of World War I, a new town hall, the district court, the parish church of St. Antonius [de], schools, hospitals, an indoor swimming pool, waterworks, an electricity plant, and the city park had been built in Gronau.

[7] The bankruptcy of the van Delden Group [de], founded in 1854, in 1980-1981 marked the end of the era of the textile industry in Gronau.

A broad range of national and international musicians have performed at the festival, including Jan Garbarek, McCoy Tyner, Klaus Doldinger’s Passport, Blood, Sweat & Tears, Al Di Meola, Avishai Cohen, Al Jarreau, Ian Anderson, Richard Galliano, Ron Carter, Mother's Finest, Gregory Porter, Maceo Parker, Stefanie Heinzmann.

[10] The Jazzfest is currently funded to a large extent by local and regional sponsors and enjoys a constantly growing audience.