Number of inhabitants (1 Jan 2003): 16.009; area: 31,32 km². Settlements:
Brielle (seat), Vierpolders, Zwartewaal.
The present municipality was formed on 1 Jan 1980 by the merger of
the municipalities of Brielle, Vierpolders,
and Zwartewaal.
Flag: three equally wide horizontal stripes of white and red. Adoption
date of the flag unknown. Colors derived from the municpal arms, and of
the island of Voorne.
Jarig Bakker, 31 May 2003