Rotterdam

The flag of Rotterdam, South Holland, is a horizontal triband of green-white-green. This color combination is also found in the coat of arms of Rotterdam.
The flag was officially adopted on February 10, 1949, and designed by an unknown author.
==Symbolism ==
The green color symbolizes the Castle of Weena and the white color symbolizes the Rotte river.
The color scheme of green and white has a long association with the city and is derived from the city’s coat of arms, which features a green and white shield.
==History==
The origins of the Rotterdam flag date back to the early 20th century. The flag was officially adopted by the city council in 1949, although variations of the design were in use earlier.
Category:Proportions 2-3
Category:Netherlands
Category:Dutch Cities
Category:Horizontal tricolour
Category:Tricolour
Category:Green
Category:White
Category:South Holland