International seaport: some of the ships go to other countries. National seaport: none of the ships go to other countries.
Hong Kong is a major seaport and international trade center in China.
Hong Kong is the major seaport and international trade center in China.
Galveston is a major seaport and it also has a medium sized airport, Scholes International.
Jakarta is the Mainport of Indonesia
Fort Port, Scotland
Rotterdam,, Hamburg..Antwerp...Barcelona etc
Rotterdam in the Netherlands.
Trieste
The possessive form for the noun seaport is seaport's.
Inchon has a seaport
Apap seaport