Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Territorial reforms in the Communist regime (1950-1990)
| Year | Number of settlements | Number of councils |
|---|---|---|
| 1950 | 3,229 | 3,032 |
| 1960 | 3,273 | 3,087 |
| 1970 | 3,244 | 2,294 |
| 1975 | 3,183 | 1,711 |
| 1980 | 3,122 | 1,525 |
| 1985 | 3,064 | 1,486 |
| 1990 | 3,070 | 1,586 |
