Your HauptwohnsitzHauptwohnsitz Your Hauptwohnsitz is your principle place of residence, i.e. where you typically have the centre of your vital interests. Other residences are known as Nebenwohnsitze. is your principle place of residence, i.e. where you typically have the centre of your vital interests. Other residences are known as NebenwohnsitzeZweitwohnsitz Secondary places of residence (e.g. holiday homes that you spend some time in yourself, pied-à-terres, granny flats) are known as Zweitwohnsitze (in legal terms) or Nebenwohnsitze (in common parlance). While you may reside at a secondary residence for part of the time, it does not constitute the centre of your vital interests. It is of course possible to change your residence status (i.e. from your Zweitwohnsitz to Hauptwohnsitz - known as Ummeldung) to reflect changes in circumstances, although you should be aware that "flipping" is not intended for short-term changes and that doing so can affect the status of grants etc. contingent on the location of your vital interests..
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