Gimhae-si
Gimhae turned Busan adjacency into an industrial transfer layer: 554,326 residents, 13,000 foreign workers, and ₩3.0912 trillion of attracted investment tying factories to port-and-airport networks.
Gimhae's best-known piece of infrastructure is physically outside the city. Gimhae International Airport sits in Busan's Gangseo district, while Gimhae itself is a city of 554,326 people on the Nakdong plain in South Gyeongsang, 13 metres above sea level and wedged between Busan's port economy and the factories of inland Gyeongnam. Most summaries stop at the ancient Gaya capital or the airport label. The more useful fact is that Gimhae operates as a transfer layer: a place where freight access, industrial land, and imported labour are assembled into production.
That role shows up in the numbers. Gimhae said in December 2022 that it had already attracted ₩3.0912 trillion ($2.4 billion) of investment and 6,503 jobs that year. In March 2023 it signed another ₩613.7 billion ($470 million) with five companies, including logistics operators building around Busan New Port and the planned Gadeok airport connection. The city keeps winning these projects for the same reason distribution hubs and parts makers cluster in deltas: one move outward from Busan cuts land costs without breaking access to the same consumers, docks, and runways.
The labour story is just as revealing. South Gyeongsang said on March 26, 2025 that Gimhae had reported 13,000 foreign workers in the previous year, enough to justify one of Korea's first public dormitories for manufacturing-sector migrant labour. That is a sharper indicator of the local economy than any tourism brochure. Gimhae is not merely borrowing Busan's scale. It is converting regional flow into factory capacity.
Biologically, Gimhae behaves like mycorrhizal fungi. Fungal networks do not dominate the forest canopy, but they move nutrients between larger organisms and make the whole system more productive. Gimhae does the same for the Busan-Gyeongnam economy. Source-sink dynamics pull cargo and demand from the coast, network effects reward firms that join the cluster, and niche construction appears in the industrial parks, housing, and worker support systems built to keep the exchange alive.
South Gyeongsang said in March 2025 that Gimhae had reported 13,000 foreign workers in the previous year, enough to justify one of Korea's first public dormitories for manufacturing-sector migrant labour.