As a Noun:
1. One of, or a number of, large areas of land that are different from other areas of land, for example because they are different parts of a country or because they have a particular geographical features. English = region, regions; district, districts.
2. One of, or a number of, the parts of an organisation, institution or some other entity which together make up the whole. English = division, divisions, department, departments.
3. One of, or a number of, the separate areas of a large town or city that are not close to the centre. People often work in the centre and live in one of these areas. English = suburb, suburbs.
As a Verb or Adjective:
1. To be located in each of the large areas of land that are different from other areas of land, for example because they are different parts of a country or because they have a particular geographical features. English = (be) regional.
2. To be located in each of the parts of an organisation, institution or some other entity which together make up the whole. English = (be) divisional, (be) departmental.
As Modifier:
1. Used immediately next to a verb to mean that the action happens or the thing exists in each of the various areas of a country, or parts of an organisation. English = regionally, divisionally.