The Gray Terminal is a massive junkyard located on Dawn Island by Mt. Colubo near Foosha Village just outside the great gate of Goa. Filled with unwanted goods and people ejected from the city of Goa, it is a lawless community without proper medical care, leaving many ravaged by disease. Sabo lived here in secret, along with various other refugees. Many, or possibly all of the inhabitants of the Gray Terminal make their livelihood by selling various wares found in the slum or surrounding mountains to the citizens of Edge Town.
In order to pass inspection by the World Government in preparation for the arrival of a World Noble, the royal family planned to burn the Gray Terminal and all its inhabitants. With the false promise of nobility, they hired the Bluejam Pirates to place gunpowder and oil around the Terminal. With their task complete, the pirates set the Gray Terminal on fire, shooting anyone fortunate enough to escape, but were left to die as the king locked the gates with them still trapped in the inferno. However, thanks to the assistance of Dragon and the Revolutionaries, many inhabitants were able to escape to the safety of their ship.
After the inspection was over, and Saint Jalmack departed, the kingdom returned to its old ways, and the Gray Terminal returned to being a dump site for garbage. It is unknown if the place was inhabited again or if it is still deserted.
And it is said that this gray terminal was based on Smokey Mountains in the Philippines. Smokey Mountains is a mountain of junk just like the Gray Terminal.