Pyrgos () is a city in the northwestern Peloponnese, Greece, the capital of the regional unit of Elis and the seat of the Municipality of Pyrgos. The city is located in the middle of a plain, from the Ionian Sea. The river Alfeios flows into sea about south of Pyrgos. The population of the town Pyrgos is 26,052, and of the municipality 45,365 (2021). Pyrgos is west of Olympia, southeast of Amaliada, southwest of Patras and west of Tripoli.

Historical population

{| class=wikitable

! Year !! Town population !! Municipal unit population !! Municipality population

|-----

| 1981 || 21,958 || - || -

|-----

| 1991 || 28,465 || 39,183 || -

|-----

| 2001 || 23,791 || 34,902 || 51,777

|-----

| 2011 || 25,180 || 35,572 || 47,995

|-----

| 2021 || 26,052 || 35,062 || 45,365

|}

Municipality

thumb|The municipal market, work by [[Ernst Ziller|left]]The municipality Pyrgos was formed during the 2011 local government reform by the merger of the following 4 former municipalities, that became municipal units:

  • Iardanos
  • Oleni
  • Pyrgos
  • Volakas

The municipality has an area of 456.610&nbsp;km<sup>2</sup>, the municipal unit 170.866&nbsp;km<sup>2</sup>.

Subdivisions

thumb|left|223x223px|Pyrgos, 1896

The municipal unit of Pyrgos is divided into the following communities (settlements within the communities given in brackets): Pyrgos experienced significant urban and economic growth during the late 19th century, particularly due to the expansion of raisin exports from the western Peloponnese through the nearby port of Katakolo.

Climate

Pyrgos has a hot-summer Mediterranean climate (Köppen climate classification: Csa) with hot and dry summers and rainy winters with generally mild temperatures. Annual precipitation is sizeable, like most of Western Greece, nearly 900&nbsp;mm, while it peaks in late autumn.