noun
A city that functions as a port. Often used in geographical, economic, or historical contexts. Synonymous with 港湾都市 (こうわんとし).
See also: 港湾都市
横浜は日本を代表する港市です。
Yokohama is a representative port city of Japan.
この港市は中世から貿易で栄えた。
This port city has prospered through trade since the Middle Ages.