EREG is a SAP tcode coming under IS-U module and IS-UT component. View some details about EREG tcode in SAP.
- EREG tcode used for : IS-U Regional Structure in SAP
- Module : IS-U (SAP Utilities)
- Parent Module : IS-U (SAP Utilities)
- Package : EE00 (IS-U: General (Domains and General Objects))
- ABAP Program : MENUEREG

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Definitions
What is SAP ?SAP is the short form of Systems, Applications & Products in Data Processing. It is one of the largest business process related software. This software focused on business processes on ERP & CRM.
What is transaction code in SAP?Transaction code shortly known as tcode, is a shortcut code to access different functional areas in SAP. It avoid users from long menu path to reach a report. Instead of that users can type the corresponding transaction code and press enter, the corresponding SAP page will load. It’s a good practice to remember or note down the transaction codes that we need to use in our regular work.
EREG related transaction codes
| Tcode | Note |
|---|---|
| ER32 | Display Political Regional Structure |
| ER31 | Maintain Political Regional Struct. |
| S_KFM_86000159 | IMG: Grouping for Regional Structure |
| ER30 | Maintain Poli. Reg. Struc. Hierarchy |
| ER3D | Display Poli. Reg. Struct. Hierarchy |
| EREG | IS-U Regional Structure |
| ERN1 | No. Range Maint.: ISU_TE227 |
| ISTMREG | IS-T Regional Structure |
| SA21 | Customizing Regional Structure (BAS) |
| SA23 | Address Version Regional Structure |
| SR10 | Create City |
| SR11 | Change city |
| SR12 | Display city |
| SR20 | Create street |
| SR21 | Change street |