However, despite the fact that many of the former "guest workers" have now become German citizens, the term Ausländer or "foreigner" is still colloquially applied to them as well as to their naturalised children and grandchildren.
His short stories focus mainly on the problems of migrant experiences, particularly in the context of the Dutch gastarbeider program.
After the so-called Gastarbeiter ('guest worker') era, though, commencing in the early 1960s, the city was soon to be nearly completely emptied from its native inhabitants who choose to leave for a better life offered in Western Countries.
In the 1970s Zdravko Mamić with his two brothers (older Stojan and younger Zoran) moved from Mamići to the Zagreb suburb of Sesvete while their father was off working in West Germany as part of the gastarbeiter programme.