Services can be added by directly through the UI. Therefore, to change the default location of services one location have to be edited. These are under the servicePath element and shown below and is in the registry.xml located at $GREG_HOME/repository/conf.
<staticConfiguration>
<versioningProperties>true</versioningProperties>
<versioningComments>true</versioningComments>
<versioningTags>true</versioningTags>
<versioningRatings>true</versioningRatings>
<!-- Location you want to add service and default location will be /services/ -->
<servicePath>/services/</servicePath>
</staticConfiguration>
Instructions on how to change storage location of services in the Governance Registry.