Yes its part of the Users and Roles module.   You will need to turn access to this module on however before it appears in the modules dropdown.
Option Admin -> Site Settings -> Advanced Settings and expand the Host Setting section at the bottom of the page and in the Premium Modules list - move Users and Roles from Available across to Selected.

Create a new page and then drop the Users and Roles module group onto it - delete all modules except the Registration module - THEN 
Go back into Admin -> Site Settings -> Advanced Settings and under the page management section - select the page you want to use for Registration.

Westa