PIWI International is an international umbrella organization.
The members are either organized in the countries with their own groups or are direct members of PIWI International.
The following groups currently exist:
PIWI CH - Switzerland
PIWI Italy (in formation)
- PIWI Alto Adige / South Tyrol
- PIWI Friuli Venezia Giulia
- PIWI Lombardy
- PIWI Trentino
- PIWI Veneto
- PIWI Piemont (in foundation)
PIWI Czech Republic (in formation)