Capelle aan den IJssel is a small city and municipality in the western Netherlands, in the province of South Holland. The municipality had a population of 67,319 in 2021, and covers an area of 15.40 km2, of which 1.26 km2 is water. It is situated on the eastern edge of Rotterdam, on the Hollandse IJssel river.
The town has what is probably the country's smallest museum, the Dief en Duif huis. Now a historical museum, it served as the prison for the castle of Capelle and is all that now remains of the 16th-century castle.
Wikipedia https://en.wikipedia.org/wiki/Capelle_aan_den_IJssel
Official Website https://www.capelleaandenijssel.nl/
Coordinates 51°55'52.518" N 4°35'18.094" E