Sint-Niklaas is a Belgian city and municipality located in the Flemish province of East Flanders. The municipality comprises the city of Sint-Niklaas proper and the towns of Belsele, Nieuwkerken-Waas, and Sinaai.
Sint-Niklaas is the capital and major city of the Waasland region straddling the East Flanders and Antwerp provinces. The city is known for having the largest market square in Belgium. At one point this square also boasted the largest Christmas tree, and the largest easter egg in Europe.