| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Greencastle | city | Donegal | Ireland | 55.20 | -6.98 | 0 | 2068 |
| Greencastle | city | Saint Catherine | Jamaica | 17.95 | -76.88 | 55 | 69367 |
| Greencastle | city | Fermanagh and Omagh | United Kingdom | 54.68 | -7.07 | 830 | 3129 |
| Greencastle | city | Belfast | United Kingdom | 54.64 | -5.92 | 0 | 121397 |
| Greencastle | city | Newry, Mourne and Down | United Kingdom | 54.03 | -6.07 | 0 | 2873 |
| Greencastle | city | Indiana | United States | 39.64 | -86.86 | 849 | |
| Greencastle | city | Kentucky | United States | 37.09 | -86.50 | 830 | |
| Greencastle | city | Ohio | United States | 39.77 | -82.76 | 1036 | |
| Greencastle | city | Pennsylvania | United States | 39.79 | -77.73 | 830 | |
| Greencastle | city | West Virginia | United States | 39.13 | -81.38 | 830 | |
| Greencastle | city | West Virginia | United States | 38.06 | -81.37 | 898 | |
| Greencastle Manor | city | Maryland | United States | 39.07 | -76.92 | 288 | |
| Greencliff | city | Eastern Cape | South Africa | -32.88 | 27.96 | 334 | 5341 |
| Greencreek | city | Idaho | United States | 46.11 | -116.26 | 3349 | |
| Greencrest | city | New York | United States | 42.44 | -79.42 | 830 | |
| Greencrest | city | North Carolina | United States | 34.76 | -77.49 | 22 | |
| Greencrest | city | North Carolina | United States | 35.79 | -80.93 | 895 | |
| Greencrest | city | South Carolina | United States | 32.72 | -79.96 | 13 | |
| Greencrest Park | city | Pennsylvania | United States | 41.35 | -80.41 | 1023 | |
| Greencrest Park Mobile Home Park | city | California | United States | 33.11 | -117.08 | 830 | |
| Greencroft | city | Harare | Zimbabwe | -17.77 | 31.01 | 5029 | 103973 |
| Greencroft | city | Zimbabwe | -19.13 | 32.73 | 3349 | 5662 | |
| Greencroft | city | Mashonaland West | Zimbabwe | -18.14 | 30.31 | 4189 | 4023 |
| Greencroft | city | Maryland | United States | 39.51 | -76.69 | 298 | |
| Greencroft A | city | Mashonaland West | Zimbabwe | -18.14 | 30.31 | 4189 | 4023 |