Who does What Where (3W) is the one product that is universally agreed to be the most important priority for any co-ordination activity. Knowing which organizations (WHO) are carrying out which activities (WHAT) in which locations (WHERE) is essential if those organizations and activities are to be coordinated in a way that ensures that humanitarian needs are met.

You can consult the 3W database within the Integrated Humanitarian Information System (
SIDIH in Spanish).
click here in order to have a username and password to enter the system.
SIDIH is available in Spanish only.