| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Dalegna del Collio | city | Friuli-Venezia Giulia | Italy | 46.03 | 13.47 | 830 | 10318 |
| Dardago | city | Friuli-Venezia Giulia | Italy | 46.06 | 12.53 | 830 | 6689 |
| Dardâc | city | Friuli-Venezia Giulia | Italy | 46.06 | 12.53 | 830 | 6689 |
| Dartigne | city | Friuli-Venezia Giulia | Italy | 46.23 | 13.11 | 830 | 20106 |
| Darzinut | city | Friuli-Venezia Giulia | Italy | 46.02 | 12.87 | 144 | 8583 |
| Datimis | city | Friuli-Venezia Giulia | Italy | 46.19 | 13.32 | 1669 | 6317 |
| Davasta | city | Friuli-Venezia Giulia | Italy | 46.50 | 12.85 | 1669 | 2804 |
| Davaste | city | Friuli-Venezia Giulia | Italy | 46.50 | 12.85 | 1669 | 2804 |
| Davian | city | Friuli-Venezia Giulia | Italy | 46.07 | 12.59 | 830 | 8617 |
| Debellis | city | Friuli-Venezia Giulia | Italy | 46.26 | 13.33 | 2001 | 1906 |
| Debellis / Debeleš | city | Friuli-Venezia Giulia | Italy | 46.26 | 13.33 | 2001 | 1906 |
| Denemonç | city | Friuli-Venezia Giulia | Italy | 46.41 | 12.88 | 1164 | 3780 |
| Dentramp | city | Friuli-Venezia Giulia | Italy | 46.51 | 12.86 | 2509 | 2752 |
| Devetachi | city | Friuli-Venezia Giulia | Italy | 45.87 | 13.57 | 830 | 16311 |
| Devetachi / Devetaki | city | Friuli-Venezia Giulia | Italy | 45.87 | 13.57 | 830 | 16311 |
| Deveà | city | Friuli-Venezia Giulia | Italy | 46.18 | 13.13 | 830 | 16564 |
| Devin | city | Friuli-Venezia Giulia | Italy | 45.77 | 13.60 | 0 | 13441 |
| Dierico | city | Friuli-Venezia Giulia | Italy | 46.52 | 13.13 | 2641 | 2919 |
| Dieç | city | Friuli-Venezia Giulia | Italy | 46.43 | 13.06 | 2893 | 10488 |
| Dignan | city | Friuli-Venezia Giulia | Italy | 46.08 | 12.94 | 301 | 11125 |
| Dignano | city | Friuli-Venezia Giulia | Italy | 46.08 | 12.94 | 301 | 11125 |
| Dilignidas | city | Friuli-Venezia Giulia | Italy | 46.42 | 12.84 | 1824 | 2331 |
| Dilignidis | city | Friuli-Venezia Giulia | Italy | 46.42 | 12.84 | 1824 | 2331 |
| Dimpeç | city | Friuli-Venezia Giulia | Italy | 46.41 | 12.79 | 1719 | 1557 |
| Dimplan | city | Friuli-Venezia Giulia | Italy | 46.49 | 13.03 | 2749 | 5632 |
| Dimponç | city | Friuli-Venezia Giulia | Italy | 46.45 | 13.05 | 2509 | 10241 |
| Dintissans | city | Friuli-Venezia Giulia | Italy | 46.38 | 12.99 | 1669 | 6972 |
| Dintissjans | city | Friuli-Venezia Giulia | Italy | 46.38 | 12.99 | 1669 | 6972 |
| Diplis | city | Friuli-Venezia Giulia | Italy | 46.05 | 13.41 | 416 | 14848 |
| Distrà | city | Friuli-Venezia Giulia | Italy | 46.13 | 12.88 | 406 | 13169 |
| Divilin | city | Friuli-Venezia Giulia | Italy | 46.41 | 12.94 | 1122 | 5738 |
| Dobardò | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.54 | 830 | 34899 |
| Doberdo | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.54 | 830 | 34899 |
| Doberdob | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.54 | 830 | 34899 |
| Doberdò del Lago | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.54 | 830 | 34899 |
| Doberdò del Lago / Doberdob | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.54 | 830 | 34899 |
| Dogna | city | Friuli-Venezia Giulia | Italy | 46.45 | 13.32 | 2509 | 797 |
| Dogne | city | Friuli-Venezia Giulia | Italy | 46.45 | 13.32 | 2509 | 797 |
| Dograva | city | Friuli-Venezia Giulia | Italy | 46.04 | 12.88 | 180 | 7119 |
| Dograve | city | Friuli-Venezia Giulia | Italy | 46.04 | 12.88 | 180 | 7119 |
| Dol-Ottelza | city | Friuli-Venezia Giulia | Italy | 45.60 | 13.86 | 1669 | 57588 |
| Dolegnan | city | Friuli-Venezia Giulia | Italy | 45.99 | 13.43 | 209 | 18305 |
| Dolegnano | city | Friuli-Venezia Giulia | Italy | 45.99 | 13.43 | 209 | 18305 |
| Dolina | city | Friuli-Venezia Giulia | Italy | 45.60 | 13.86 | 1669 | 57588 |
| Domanins | city | Friuli-Venezia Giulia | Italy | 46.03 | 12.82 | 170 | 7311 |
| Dominisia | city | Friuli-Venezia Giulia | Italy | 46.23 | 12.90 | 1669 | 2890 |
| Domminizia | city | Friuli-Venezia Giulia | Italy | 46.23 | 12.90 | 1669 | 2890 |
| Dondrassa | city | Friuli-Venezia Giulia | Italy | 46.41 | 12.59 | 3372 | 1036 |
| Dondrasse | city | Friuli-Venezia Giulia | Italy | 46.41 | 12.59 | 3372 | 1036 |
| Dordole | city | Friuli-Venezia Giulia | Italy | 46.47 | 13.20 | 4212 | 1413 |
| Dordolla | city | Friuli-Venezia Giulia | Italy | 46.47 | 13.20 | 4212 | 1413 |
| Dovoleit | city | Friuli-Venezia Giulia | Italy | 45.98 | 12.78 | 111 | 17335 |
| Dovolêt | city | Friuli-Venezia Giulia | Italy | 45.98 | 12.78 | 111 | 17335 |
| Draga Sant'Elia | city | Friuli-Venezia Giulia | Italy | 45.62 | 13.89 | 1669 | 39694 |
| Draga Sant’Elia | city | Friuli-Venezia Giulia | Italy | 45.62 | 13.89 | 1669 | 39694 |
| Drenchia | city | Friuli-Venezia Giulia | Italy | 46.18 | 13.64 | 3349 | 2120 |
| Drenchia / Dreka | city | Friuli-Venezia Giulia | Italy | 46.18 | 13.64 | 3349 | 2120 |
| Drencje | city | Friuli-Venezia Giulia | Italy | 46.18 | 13.64 | 3349 | 2120 |
| Drenclua | city | Friuli-Venezia Giulia | Italy | 46.18 | 13.64 | 3349 | 2120 |
| Driolassa | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.07 | 13 | 9798 |
| Driolossa | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.07 | 13 | 9798 |
| Duino | city | Friuli-Venezia Giulia | Italy | 45.77 | 13.60 | 0 | 13441 |
| Duino / Devin | city | Friuli-Venezia Giulia | Italy | 45.77 | 13.60 | 0 | 13441 |
| Duino-Aurisina | city | Friuli-Venezia Giulia | Italy | 45.75 | 13.68 | 830 | 21314 |
| Duminisie | city | Friuli-Venezia Giulia | Italy | 46.23 | 12.90 | 1669 | 2890 |
| Durcinins Disore | city | Friuli-Venezia Giulia | Italy | 45.97 | 12.81 | 108 | 19049 |
| Durcinins Disot | city | Friuli-Venezia Giulia | Italy | 45.96 | 12.79 | 78 | 19031 |
| Durgneis | city | Friuli-Venezia Giulia | Italy | 46.19 | 12.79 | 830 | 8078 |
| Durgnês | city | Friuli-Venezia Giulia | Italy | 46.19 | 12.79 | 830 | 8078 |
| Durlasse | city | Friuli-Venezia Giulia | Italy | 45.85 | 13.07 | 13 | 9798 |
| Dursinins Disora | city | Friuli-Venezia Giulia | Italy | 45.97 | 12.81 | 108 | 19049 |
| Dursinins Disot | city | Friuli-Venezia Giulia | Italy | 45.96 | 12.79 | 78 | 19031 |
| Dòbbia | city | Friuli-Venezia Giulia | Italy | 45.81 | 13.48 | 16 | 41486 |