# Greek submarine Papanikolis, Greece: what it is and when to go

> Greek submarine Papanikolis is a 1926 Katsonis-class submarine (Υ/Β Παπανικολής) in Greece (Piraeus). Interests: History. The best time to visit is April to June and September to October. In June there are 14 h 37 of daylight, and in December, 9 h 23. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/europa/grecia/rhs-papanikolis/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** 1926 Katsonis-class submarine · History
- **Local name:** Υ/Β Παπανικολής
- **Where:** Greece
- **Best time:** April to June and September to October.
- **Nearest airport:** ATH Spata-Artemida, 26 km as the crow flies
- **Coordinates:** 37.93249, 23.64592

## What it is and where

Greek submarine Papanikolis is a 1926 Katsonis-class submarine (Υ/Β Παπανικολής) in Greece (Piraeus).

It is in [Piraeus](https://kokai.app/en/paises/europa/grecia/el-pireo/), where this site lists 26 more places to see, 5.1 km from the centre.

Its coordinates are 37.93249, 23.64592; the nearest main airport is Athens Eleftherios Venizelos International Airport (ATH, Spata-Artemida), 26 km as the crow flies. How to get around Greece (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/grecia/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=37.932495%2C23.645918)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=37.932495%2C23.645918)

It is one of the [History](https://kokai.app/en/paises/europa/grecia/historia/) places in Greece. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

The best time to visit Greek submarine Papanikolis is **April to June and September to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 39 |
| February | Possible | 10 h 35 |
| March | Possible | 11 h 42 |
| April | Best time | 12 h 59 |
| May | Best time | 14 h 03 |
| June | Best time | 14 h 37 |
| July | Possible | 14 h 23 |
| August | Possible | 13 h 28 |
| September | Best time | 12 h 14 |
| October | Best time | 10 h 59 |
| November | Possible | 9 h 54 |
| December | Possible | 9 h 23 |

In June there are 14 h 37 of daylight, and in December, 9 h 23. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to Greece in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/grecia/#cuando-ir).

## Before you go to Greece

To enter Greece there are 8 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the Greece checklist](https://kokai.app/en/paises/europa/grecia/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz (the same as in Spain); emergencies: 112 · 166 ambulance · 100 police · 199 fire brigade · 1571 forest fires.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Theatre of Zea](https://kokai.app/en/paises/europa/grecia/hellenistic-theater-of-zeas/): Ancient Greek theatre in Piraeus, Athens, Greece · 541 m
- [Munichia](https://kokai.app/en/paises/europa/grecia/kastella/): Hill and harbor with Artemis sanctuary in Piraeus, Greece · 1.3 km
- [Polis Hamam](https://kokai.app/en/paises/europa/grecia/polis-hamam/): Hot spring bath · 1.3 km
- [Olympias](https://kokai.app/en/paises/europa/grecia/trireme-olympias/): Reconstruction of an ancient Athenian trireme · 3.4 km
- [Noctua Brewery](https://kokai.app/en/paises/europa/grecia/noctua-brewery/): Brewery · 7.4 km

Distances are as the crow flies. Everything else is in [the Greece guide](https://kokai.app/en/paises/europa/grecia/).

## More in Greece: History

- [Parthenon](https://kokai.app/en/paises/europa/grecia/partenon/): former temple of Athena on the Athenian Acropolis, Greece
- [Sparta](https://kokai.app/en/paises/europa/grecia/sparta/)
- [Acropolis of Athens](https://kokai.app/en/paises/europa/grecia/acropolis/): ancient citadel above the city of Athens
- [Colossus of Rhodes](https://kokai.app/en/paises/europa/grecia/coloso-de-rodas/): statue of the Greek Titan Helios; one of the seven wonders of the ancient world
- [Mycenae](https://kokai.app/en/paises/europa/grecia/the-citadel-of-mycenae/): ancient city, now an archaeological site in Argolis, Greece
- [Battle of Thermopylae](https://kokai.app/en/paises/europa/grecia/battle-of-thermopylae/): battle of 480 BCE during Persian invasion of Greece

Every Greece place under History, each with its season, is on [its page](https://kokai.app/en/paises/europa/grecia/historia/).

## Frequently asked questions

### What is Greek submarine Papanikolis?

It is a 1926 Katsonis-class submarine (Υ/Β Παπανικολής in the local language) in Greece.

### When is the best time to visit Greek submarine Papanikolis?

April to June and September to October. In June there are 14 h 37 of daylight, and in December, 9 h 23.

### How do you get to Greek submarine Papanikolis?

The nearest main airport is Athens Eleftherios Venizelos International Airport (ATH), 26 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=37.932495%2C23.645918) opens the route on the map, and how to get around Greece is explained in [its country guide](https://kokai.app/en/paises/europa/grecia/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the Greece map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Theatre of Zea](https://kokai.app/en/paises/europa/grecia/hellenistic-theater-of-zeas/), [Munichia](https://kokai.app/en/paises/europa/grecia/kastella/), [Polis Hamam](https://kokai.app/en/paises/europa/grecia/polis-hamam/). The rest is in [the Greece guide](https://kokai.app/en/paises/europa/grecia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/2153973086), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q3561072), CC0. More about Greek submarine Papanikolis on [Wikipedia](https://en.wikipedia.org/wiki/Greek_submarine_Papanikolis_(Y-2)). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).