Here we would like to draw your attention to SA23 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SA23 is a transaction code used for Address Version Regional Structure in SAP.
It comes under the package SZAD.
Transaction SA23 technical data table
|Purpose||Address Version Regional Structure|