China leases port to Macau, a new form of statecraft

Will the future of nation-states entail strategic border changes between semi-autonomous "countries" within larger countries?

Macau represents a strange, semi-corporate, semi-state entity. This is expressed in its strange boundaries, which include a small, densely populated peninsula, and several islands that are now connected through land reclamation, and bits of leased land on the nearby Hengqin New Area (which in itself is a series of islands connected by reclaimed land).