If anyone is interested in collecting swarms from wherever you are situated in the country, your best bet is to notify your local council offices that you are a willing beekeeper to collect swarms that are reported to them.
Every year or so I update my details with the Dunedin City Council and express my willingness to collect swarms. Many people ring the council first when a swarm arrives on their property. The council then rings or texts me with an address, name of property owner and contact number and I follow it up. It is a cheap way of increasing hive numbers. All I need to have is