Your Nimble domain is the web address you go to, to login Nimble. 

If you registered on or after July 12, 2011:

Your Nimble domain should resemble something like this: https://mycompany.nimble.com
which the administrator of the account created during registration.

If you registered before July 12, 2011: 

Your Nimble domain is: app.nimble.com


If you don't know what your Nimble domain is:

1. Go to www.nimble.com and click Login on the top right. If Nimble cannot retrieve your URL, Nimble will prompt you to enter your registered email address and then email you your Nimble domain.