wdisp/url_map_location is a SAP Parameter attribute which is used to control Location from where the mapping of URLs to logon groups is retrieved f information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
URL under which the SAP Web Dispatcher finds the URL mapping info. This
is usually a path in the HTTP service hierarchy (transaction SICF).
If there is no message server or application server with ICF (ABAP)
available, you can store this information in a file. In this case you
can use this parameter to specify the file path by setting the parameter
to file://<(><<)>path>.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.