| Rank |
Country | Total in km2 (mi2) | Notes |
|---|---|---|---|
 Norfolk Island |
36 (14) |
Dependent territory of Australia. | |
 Sint Maarten |
34 (13) |
Dependent territory of the Netherlands. | |
 Macau |
30 (12) |
Dependent territory of the China. | |
| 192 |  Tuvalu |
26 (10) |
|
| 193 |  Nauru |
21 (8.1) |
|
 Saint Barthélemy |
20 (7.7) |
Dependent territory of the France. | |
| Municipality of the Islands |
19.6 (7.6) |
Part of Macau. | |
 Cocos (Keeling) Islands |
14 (5.4) |
Dependent territory of the Australia. | |
 Tokelau |
12 (4.6) |
Dependent territory of New Zealand. | |
| Municipality of Macau |
6.77 (2.61) |
Part of Macau. | |
 Gibraltar |
6 (2.3) |
Dependent territory of the United Kingdom. | |
| Vaitupu |
5.6 (2.2) |
Part of Tuvalu. | |
| Nukunonu |
5.5 (2.1) |
Part of Tokelau. | |
 Ashmore and Cartier Islands |
5 (1.9) |
Dependent territory of Australia. | |
| Coral Sea Islands |
4 (1.5) |
Dependent territory of Australia. | |
| Nanumea |
3.9 (1.5) |
Part of Tuvalu. | |
| Nui |
3.37 (1.30) |
Part of Tuvalu. | |
| Anibare |
3.15 (1.22) |
Part of Nauru. | |
| Meneng |
3.1 (1.2) |
Part of Nauru. | |
| Nanumanga |
3.05 (1.18) |
Part of Tuvalu. | |
| Fakaofo |
3 (1.2) |
Part of Tokelau. | |
| Nukufetau |
2.99 (1.15) |
Part of Tuvalu. | |
| Buada |
2.6 (1.0) |
Part of Nauru. | |
| Niutao |
2.53 (0.98) |
Part of Tuvalu. | |
| Atafu |
2.5 (0.97) |
Part of Tokelau. | |
| Funafuti |
2.4 (0.93) |
Part of Tuvalu. | |
| 194 |  Monaco |
2.02 (0.78) |
|
| Nukulaelae |
1.82 (0.70) |
Part of Tuvalu. | |
| Denigomodu |
1.8 (0.69) |
Part of Nauru. | |
| Nibok |
1.65 (0.64) |
Part of Nauru. | |
| Uaboe |
1.6 (0.62) |
Part of Nauru. | |
| Yaren |
1.55 (0.60) |
Part of Nauru. | |
| Anabar |
1.5 (0.58) |
Part of Nauru. | |
| Baiti |
1.25 (0.48) |
Part of Nauru. | |
| Ewa |
1.2 (0.46) |
Part of Nauru. | |
| Ijuw |
1.15 (0.44) |
Part of Nauru. | |
| Aiwo |
1.1 (0.42) |
Part of Nauru. | |
| Anetan |
1 (0.39) |
Part of Nauru. | |
| Monte Carlo |
0.61 (0.24) |
Part of Monaco. | |
| Boe |
0.5 (0.19) |
Part of Nauru. | |
| 195 |  Vatican City |
0.44 (0.17) |
|
| Niulakita |
0.4 (0.15) |
Part of Tuvalu. | |
| Larvotto |
0.34 (0.13) |
Part of Monaco. | |
| Fontvieille |
0.33 (0.13) |
Part of Monaco. | |
| La Condamine |
0.23 (0.089) |
Part of Monaco. | |
| Monaco-Ville |
0.19 (0.073) |
Part of Monaco. | |
| La Colle |
0.18 (0.069) |
Part of Monaco. | |
| Saint Michel |
0.14 (0.054) |
Part of Monaco. | |
| Saint Roman |
0.13 (0.050) |
Part of Monaco. | |
| Moneghetti |
0.10 (0.039) |
Part of Monaco. | |
| Les Révoires |
0.07 (0.027) |
Part of Monaco. |
