Aarschot (Dutch pronunciation: [ˈaːrsxɔt] ) is a city and municipality in the province of Flemish Brabant, in Flanders, Belgium. The municipality comprises the city of Aarschot proper and the towns of Gelrode, Langdorp and Rillaar. On January 1, 2019, Aarschot had a sum population of 30,106. The total area is 62.52 km (24.14 sq mi) which gives a population density of 446 inhabitants per km.

It is located in the allowance of Flemish Brabant called Hageland, located to the east of Leuven. Aarschot is a completely typical town past a long history, dating assist to the grow old of the Roman emperors, according to myths. The church, which dominates the see of the city, is built past the typical brown rock quarried from the hills in the surrounding areas. These same hills were in the Middle Ages home to some of the most well-regarded vineyards of Europe. Today the chain hills, which originate in Bolderberg, Heusden-Zolder, and continue as far and wide as Calais in France, are mainly covered in the same way as woods and fruit yards.

The title of Duke of Aarschot, created in 1533, is the oldest (not-Sovereign) Ducal title in Belgium (title created for the House of Croÿ, later inherited by the House of Arenberg that yet holds it).

While the Church of Our Lady (Onze-Lieve-Vrouwekerk) definitely leaves its mark upon the tone of the city, nothing defines Aarschot better than the river that passes through it: the Demer. Aarschot is situated in the valley of this brown-colored river.

Aarschot was hit very hard in World War I. When German troops occupied the city upon 19 August 1914, Colonel Stenger, commander of the 8th German Infantry Brigade, was shot dead on the balcony of the town hall. The German reprisal was totally harsh.
Many houses were set blazing and 156 people were executed, including Mayor Tielemans and his 15-year-old son. The neighboring day, the entire population was ordered to evacuate the city.