Oracle EBS R12.0.6. Inventory responsibility > Setup > Organizations > Locations > Address Details subtab > Address Style LOV. For example, we need an address style for Romania. Hungary is listed in the LOV and a few other neighboring countries, but not Romania.
Inventory > Flexfields > Descriptive > Segments > Query Title = 'Location Address' (in Human Resources Application). Note that you will also need to add actual address segments, and these segments can be associated to value sets (for instance, if you know the postal codes for your address style, you can first create a postal code value set).