The birthplace of Adrianus van der Steur is the capital of which province?
Ad van der Steur: Adrianus (Ad) van der Steur (27 September 1893, Haarlem – 13 December 1953, Rotterdam) was a Dutch architect and member of an architect family. Haarlem:  It is the capital of the province of North Holland and is situated at the northern edge of the Randstad, one of the most populated metropolitan areas in Europe.
North Holland