I want to achieve a svn-root in /var/svn and repositories(projects) in there. I could get it to work in the browser (http://domain/url gives me \"Collection of repositories\
Following @rdconsolo suggestion on Ubuntu 16.04, remove the Alias directive, works for me
#Alias /svn /var/lib/svn DAV svn SVNParentPath /var/lib/svn SVNListParentPath On AuthType Basic AuthName "Subversion Repository" AuthUserFile /etc/apache2/dav_svn.passwd Require valid-user