| Locality | Latitude | Longitude | Elevation | Postal Code |
|---|---|---|---|---|
| Akaragama | 7.2667 | 79.95 | 24 m | 11536 |
| Alawala | 7.2 | 80.299999 | 162 m | 11122 |
| Ambagaspitiya | 7.0833 | 80.066699 | 38 m | 11052 |
| Ambepussa | 7.25 | 80.1667 | 71 m | 11212 |
| Andiambalama | 7.186899 | 79.9 | 15 m | 11558 |
| Attahnagalla | 30.2 m | 11120 | ||
| Badalagama | 7.133329 | 80.78333 | 931 m | 11538 |
| Banduragoda | 7.2319 | 80.0678 | 50 m | 11244 |
| Batuwatta | 7.0528 | 79.9347 | 26 m | 11011 |
| Bemmulla | 7.116699 | 80.0167 | 23 m | 11040 |
| Biyagama | 6.9408 | 79.9889 | 14 m | 11650 |
| Biyagama IPZ | 6.9492 | 80.015299 | 17 m | 11672 |
| Bokalagama | 7.233299 | 80.15 | 84 m | 11216 |
| Bollete | 7.066699 | 79.95 | 26 m | 11024 |
| Bopagama | 7.0833 | 80.15 | 52 m | 11134 |
| Buthpitiya | 7.049999 | 80.049999 | 38 m | 11720 |
| Dagonna | 7.2167 | 79.9167 | 22 m | 11524 |
| Danowita | 7.202799 | 80.175799 | 136.5 m | 11896 |
| Debahera | 7.138899 | 80.0981 | 43 m | 11889 |
| Dekatana | 6.9678 | 80.050299 | 33 m | 11690 |
| Delgoda | 40.282551 | 30.311838 | 526 m | 11700 |
| Delwagura | 7.2667 | 80 | 39 m | 11228 |
| Demalagama | 6.983299 | 80.049999 | 33 m | 11692 |
| Demanhandiya | 7.233299 | 79.9 | 17 m | 11270 |
| Dewalapola | 7.166699 | 80 | 35 m | 11102 |
| Divulapitiya | 7.2167 | 80.0156 | 40 m | 11250 |
Gampaha is an Administrative divisions in Western Sri Lanka.
Western