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Iliókastron, Greece
Peloponnese · Greece
Iliókastron is a small town in Peloponnese, Greece with a population of 550. Elevation: 656 ft (200 m). Average temperature: 62°F (17°C).
Data updated June 2026
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About Iliókastron
Ermioni is a small port town and a former municipality in Argolis, Peloponnese, Greece on the Argolid Peninsula. Since the 2011 local government reform it is part of the municipality Ermionida, of which it is a municipal unit. The municipal unit has an area of 168.180 km2. It is a popular tourist resort.
People
Economy
C+Climate
| Population | 550 |
| Population Density | 35 / sq mi |
| Elevation | 656 ft (200 m) |
| Coordinates | 37.4446°, 23.2671° |
| Timezone | Europe/Athens |
| Country | 🇬🇷 Greece |
| State / Province | Peloponnese |
| Average Temperature | 62°F (17°C) |
| January Average | 48°F (9°C) |
| July Average | 79°F (26°C) |
| Annual Precipitation | 20.9 inches (530 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $20,196 |
About Iliókastron
Iliókastron is a small town in Greece (Peloponnese) with a population of 550. The city sits at an elevation of 656 feet (200 meters) above sea level. The average annual temperature is 62°F (17°C). Temperatures range from 48°F in January to 79°F in July. Annual precipitation averages 20.9 inches. The timezone is Europe/Athens.
Income: Iliókastron vs Greece
Commute Mode
Income
| Median HH Income | $20,196 |
| 73% below Greece avg |
Employment & Poverty
| Establishments (County) | 32 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Temperature
| Annual Average | 61.9°F |
| 15% above Greece avg | |
| January Average | 48°F (9°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 656 ft (200 m) |
| Area | 15.7 sq mi (40.6 km²) |
| Population Density | 35/sq mi |
| Coordinates | 37.4446°N, 23.2671°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | CORINTH GULF | Meteorological | 6.0 m | 2 | 146 km |
| 1867 | PELOPONNESUS, GREECE | Earthquake | 6.0 m | — | 150 km |
| 1817 | CORINTHOS-PATRAS GULF | Earthquake | 5.0 m | — | 140 km |
| 1965 | NORTH CORINTH GULF | Eruption + Earthquake | 3.0 m | 2 | 122 km |
| 1894 | NORTH EVOIKOS GULF | Eruption + Earthquake | 3.0 m | — | 140 km |
| 1861 | CORINTH GULF | Eruption + Earthquake | 2.1 m | — | 126 km |
| 2008 | SW. CORINTH GULF | Unknown | 2.0 m | — | 126 km |
| 1996 | W. CORINTH GULF | Meteorological | 2.0 m | — | 146 km |
| 1981 | GULF OF CORINTH | Earthquake | 1.3 m | — | 85 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 137 km |
| 1981 | ATHENS-EASTERN GULF OF CORINTH | Earthquake | 1.0 m | 22 | 91 km |
| 1947 | PELOPONNESUS, GREECE | Eruption + Earthquake | 1.0 m | 3 | 139 km |
| 1899 | IONIAN SEA | Earthquake | 1.0 m | — | 136 km |
| 1928 | CORINTHOS-PATRAS GULF | Earthquake | 0.6 m | 20 | 66 km |
| 1992 | CORINTH GULF | Earthquake | — | — | 118 km |
| 1984 | CORINTHOS GULF, GREECE | Eruption + Earthquake | — | — | 140 km |
| 1926 | ARGOLIKOS GULF | Earthquake | — | — | 105 km |
| 1888 | GULF OF CORINTH | Eruption + Earthquake | — | — | 133 km |
| 1886 | IONIAN SEA | Earthquake | — | 326 | 144 km |
| 1862 | IONIAN SEA | Earthquake | — | — | 127 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Methana (20 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 20 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 133 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 2.8 in | Coldest |
| February | 48°F (9°C) | 2.6 in | |
| March | 51°F (10°C) | 2.4 in | |
| April | 57°F (14°C) | 1.5 in | |
| May | 66°F (19°C) | 0.8 in | |
| June | 74°F (24°C) | 0.4 in | |
| July | 79°F (26°C) | 0.3 in | Warmest, Driest |
| August | 78°F (26°C) | 0.4 in | |
| September | 72°F (22°C) | 0.6 in | |
| October | 64°F (18°C) | 2.2 in | |
| November | 56°F (13°C) | 3.3 in | |
| December | 51°F (10°C) | 3.5 in | Wettest |
Iliókastron has a seasonal temperature swing of 31°F / from 48°F in January to 79°F in July. Total annual precipitation is 20.9 inches, with December being the wettest month (3.5") and July the driest (0.3").
Schools in Iliókastron
1 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Σχολείο Θερμησίας | — | — | — | — |
Radio Stations near Iliókastron
21 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Sport FM 94.6 | greek, sport | MP3 128 kbps | |
| Parapolitika 90.1 | greek, news | MP3 128 kbps | |
| Πειραϊκή Εκκλησία | — | MP3 192 kbps | |
| Αντένα Αίγινα | — | MP3 320 kbps | |
| Radiobird | jazz, rock | MP3 | |
| Mousikos | greek music | AAC 160 kbps | |
| Μάχη FM | — | MP3 128 kbps | |
| Diva 106.1 | greek, mainstream | MP3 320 kbps | |
| Mousikos 98,6 | ballads, eclectic | AAC 160 kbps | |
| Fancy Trance | — | MP3 | |
| Mousikos 98.6 | ballads, eclectic | AAC+ 160 kbps | |
| D.R.S. FM | 90s, classic hits | MP3 128 kbps | |
| Ellinadiko FM | greek music | MP3 128 kbps | |
| Loutraki 87.5 | greek music | MP3 128 kbps | |
| Sport 96.3 | music, sports news | MP3 | |
| Diva 91.6 | dance, electronic | MP3 128 kbps | |
| Ερμιονίδα | greek, mainstream | MP3 128 kbps | |
| Diva Fm 106.1 - Greece | — | MP3 320 kbps | |
| Cool 106.8 | pop | MP3 128 kbps | |
| Cool 90.7 | 80s, house | MP3 192 kbps | |
| Cool 92.9 (US) | — | MP3 96 kbps |
Museums in Iliókastron
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Archaelogical Museum of Epidavros | ||||
| Archaeological Museum of Poros | ||||
| Ekklisiastikó Mouseío Ýdras | ||||
| Katagogion | ||||
| Kotsiomitis Museum of Natural History | ||||
| Laskarina Bouboulina museum | ||||
| Museum of Hydra | ||||
| Museum of Spetses | ||||
| Pavlos Kountouriotis Mansion | ||||
| Spetses Museum | ||||
| Οικία Λάζαρου Κουντουριώτη |
Libraries in Iliókastron
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Poros Public Library | 0.0 |
Farmers Markets in Iliókastron
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| fisch market |
Hotels in Iliókastron
2 hotels within city radius — OpenStreetMap data
Castles in Iliókastron
2 castles within city radius — OpenStreetMap data
Gas Stations in Iliókastron
2 gas stations within city radius — OpenStreetMap data
Stadiums & Teams in Iliókastron
| Team | League | Division |
|---|---|---|
Airports Near Iliókastron
7 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Athens Eleftherios Venizelos International Airport | ATH | Large Airport |
| Elefsis Air Base | — | Medium Airport |
| Dounis Airfield | — | Small Airport |
| Lechaio Airfield | — | Small Airport |
| Megara Air Base | — | Small Airport |
| Sparti Airfield | SPJ | Small Airport |
| Tatoi Airport | — | Small Airport |
Quick Facts
🇬🇷 About Greece
Public Holidays in Greece
15 public holidays this year
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Get ReportFrequently Asked Questions About Iliókastron
What is the population of Iliókastron?
Iliókastron has a population of 550 residents and is located in Greece. The population density is 35 people per square mile, spread across 15.7 square miles.
Is Iliókastron expensive to live in?
The median household income is $20,196, 73% below the national average of $75,149.
What is the weather like in Iliókastron?
Iliókastron enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winter temperatures average 48°F in January, while summers reach an average of 79°F in July. The area receives 298 sunny days per year, well above the national average of 205. Annual rainfall totals 20.9 inches.
How is the job market in Iliókastron?
There are 32 business establishments in the area.