Muscat

Muscat is the capital city in Oman. Being a port city, it is surrounded by cliffs and rocks.

Teenage Mutant Ninja Turtles appearances
In the Archie Comics issue The Black Stone, the, and Ninjara are seen travelling from Jask in Iran towards Oman in an Oman-registered oil tanker ship.

The ship later reaches Oman, and enters the port of Muscat. It is nighttime, and in the background the Moon and several stars are seen in the sky.