| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Dalegna del Collio | city | Friuli-Venezia Giulia | Italy | 46.0330556 | 13.4747222 | 469 | 15531 |
| Dardago | city | Friuli-Venezia Giulia | Italy | 46.0555556 | 12.5344444 | 538 | 12469 |
| Debellis | city | Friuli-Venezia Giulia | Italy | 46.2622222 | 13.3272222 | 2001 | 11016 |
| Devetachi | city | Friuli-Venezia Giulia | Italy | 45.8702778 | 13.5697222 | 472 | 27831 |
| Devin | city | Friuli-Venezia Giulia | Italy | 45.7730556 | 13.6016667 | 0 | 35067 |
| Dierico | city | Friuli-Venezia Giulia | Italy | 46.5180556 | 13.1322222 | 2641 | 10859 |
| Dignano | city | Friuli-Venezia Giulia | Italy | 46.0844444 | 12.9388889 | 301 | 11740 |
| Dilignidis | city | Friuli-Venezia Giulia | Italy | 46.4163889 | 12.8352778 | 1824 | 11133 |
| Dièrico | city | Friuli-Venezia Giulia | Italy | 46.5180556 | 13.1322222 | 2641 | 10859 |
| Dobbia | city | Friuli-Venezia Giulia | Italy | 45.8125 | 13.4836111 | 16 | 28851 |
| Doberdo | city | Friuli-Venezia Giulia | Italy | 45.8461111 | 13.5375 | 515 | 30855 |
| Doberdo del Lago | city | Friuli-Venezia Giulia | Italy | 45.8461111 | 13.5375 | 515 | 30855 |
| Doberdò del Lago | city | Friuli-Venezia Giulia | Italy | 45.8461111 | 13.5375 | 515 | 30855 |
| Dol-Ottelza | city | Friuli-Venezia Giulia | Italy | 45.6027778 | 13.8619444 | 1427 | 68988 |
| Dolegnano | city | Friuli-Venezia Giulia | Italy | 45.9872222 | 13.4252778 | 209 | 18819 |
| Dolina | city | Friuli-Venezia Giulia | Italy | 45.6027778 | 13.8619444 | 1427 | 68988 |
| Domanins | city | Friuli-Venezia Giulia | Italy | 46.0266667 | 12.8211111 | 170 | 12706 |
| Dordolla | city | Friuli-Venezia Giulia | Italy | 46.4663889 | 13.1961111 | 4212 | 10974 |
| Draga Sant'Elia | city | Friuli-Venezia Giulia | Italy | 45.6211111 | 13.8888889 | 1505 | 38155 |
| Draga SantʼElia | city | Friuli-Venezia Giulia | Italy | 45.6211111 | 13.8888889 | 1505 | 38155 |
| Drenchia | city | Friuli-Venezia Giulia | Italy | 46.1825 | 13.6380556 | 2998 | 5579 |
| Drenclua | city | Friuli-Venezia Giulia | Italy | 46.1825 | 13.6380556 | 2998 | 5579 |
| Driolassa | city | Friuli-Venezia Giulia | Italy | 45.8486111 | 13.0694444 | 13 | 11100 |
| Driolossa | city | Friuli-Venezia Giulia | Italy | 45.8486111 | 13.0694444 | 13 | 11100 |
| Duino | city | Friuli-Venezia Giulia | Italy | 45.7730556 | 13.6016667 | 0 | 35067 |
| Dòbbia | city | Friuli-Venezia Giulia | Italy | 45.8125 | 13.4836111 | 16 | 28851 |
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