As title says, looking to get into chat support or Customer Service Agent work.

HMU if any of you need a hand

I feel like hosting some riddle competitions, and I might be generous enough to give little rewards out for the winners

First riddle thread:

"I do have cities, but I have no houses.
I also have mountains, but have no trees.
Finally, I indeed have water, but no fish swimming in it.

What am I?"