Pieter Coecke van Aelst or Pieter Coecke van Aelst the Elder was a Flemish painter, sculptor, architect, author and designer of woodcuts, goldsmith's work, stained glass and tapestries. His principal subjects were Christian religious themes. He hailed from the Duchy of Brabant, worked in Antwerp and Brussels, and was appointed court painter to Charles V, Holy Roman Emperor.

Aalst is a city and municipality on the Dender River, 31 kilometres (19 mi) northwest from Brussels in the Flemish province of East Flanders. The municipality comprises the city of Aalst itself and the villages of Baardegem, Erembodegem, Gijzegem, Herdersem, Hofstade, Meldert, Moorsel and Nieuwerkerken; it is the tenth largest city by population with 90.068 inhabitants. Aalst is crossed by the Molenbeek-Ter Erpenbeek in Aalst and Hofstade. The current mayor of Aalst is Christoph D'Haese, from the New-Flemish Alliance party. The town has a long-standing (folkloric) feud with Dendermonde, which dates from the Middle Ages.