Yes, you can share the venues you have created with other users. To do this, proceed as follows:
You ask the respective user to register at eventlocations.com.
Then select the respective venue under "My profiles" and click on "Manage access" in the left-hand menu on the venue details page.
Now you can enter the user's e-mail address and select the appropriate role (editor or administrator). It is important that the user has already registered.
The user will receive an invitation link by e-mail. As soon as the invitation has been accepted, the user can start editing the location.