| Gargalianoi | |
| Name Local: | Γαργαλιάνοι |
| Type: | municipal unit |
| Periph: | Peloponnese |
| Periphunit: | Messenia |
| Municipality: | Trifylia |
| Pop Municunit: | 6864 |
| Pop Community: | 4724 |
| Population As Of: | 2021 |
| Area Municunit: | 122.7 |
| Elevation: | 294 |
| Coordinates: | 37.0667°N 59°W |
| Postal Code: | 244 00 |
| Area Code: | 27630 |
| Licence: | ΚΜ |
| Website: | gargaliani.gr |
| Caption Skyline: | Cathedral in Gargalianoi |
Gargalianoi (Greek, Modern (1453-);: Γαργαλιάνοι) is a town and a former municipality in Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Trifylia, of which it is a municipal unit.[1] The municipal unit has an area of 122.680 km2.[2] It is situated 4km (02miles) from the Ionian Sea coast, 18km (11miles) north of Pylos, 21km (13miles) south of Kyparissia and 43km (27miles) west of Kalamata. The Greek National Road 9 (Patras - Pyrgos - Pylos) passes through the town.
The municipal unit Gargalianoi is subdivided into the following communities:
| Year | Town population | Municipality population | |
|---|---|---|---|
| 1981 | 5,430 | - | |
| 1991 | 5,184 | 7,609 | |
| 2001 | 5,970 | 9,083 | |
| 2011 | 5,569 | 7,940 | |
| 2021 | 4,724 | 6,864 |