... It's not.
The Netherlands.
Rotterdam is a large seaport in the Netherlands.
Rotterdam is in the Netherlands.
Rotterdam is in The Netherlands.
Rotterdam is in the Kingdom of the Netherlands.
Rotterdam is a city in Netherlands.
No, it isn't. Rotterdam is in the Netherlands.
Rotterdam is a city. The capital of the Netherlands is Amsterdam.
Rotterdam is in the Netherlands. It is the second largest city in the country and one of the largest ports in the world.
Rotterdam is in the Netherlands. It is a city, and does not border any countries.
It is in the Netherlands.
Rotterdam, in the Netherlands, is Europe's leading port in terms of total cargo throughput.