I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I have cities, but no houses. I have mountains, but no trees. I have w

1.	I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
Answer» Thanks to you sweet sister Khushi for answering my question. Nice one Khushi?