To my north is the residence of an antique ruler.
To my east is a tower made of iron.
To my south is the tomb of a god-king.
To my west are tropical trees.
I have a big pool with music.
I bet you are at the
Bellagio, Las Vegas which features an 8-acre lake by the strip.
To my north is the residence of an antique ruler.
Caesar's Palace.
To my east is a tower made of iron.
The Eiffel Tower, Paris Las Vegas hotel.
To my south is the tomb of a god-king.
Luxor hotel, dedicated home of Amun Ra.
To my west are tropical trees.
Palms Casino Resort.
Partial answer:
These sound like places in Middle America.
Reason:
West:
Hawaii, an island full of tropical trees (and tourists)?
South:
Mayan god-king tomb in Guatemala.
East:
Sounds very like something made by the Aztecs, in Mexico and were able to make iron