# A 7-day itinerary for Greece

> A week in Greece is enough for Athens, Thessaloniki and Santorini. Here is a balanced plan of sights and downtime.

A week in Greece is enough for Athens, Thessaloniki and Santorini. Here is a balanced plan of sights and downtime.

## Key sights

- the Acropolis
- Santorini
- Meteora
- Mykonos
- Delphi

## Stay online while you explore

For maps, bookings, translation and Instagram photos, a MerrSIM eSIM for Greece (from €1.49, 10 GB €8.49) keeps you online from the start — no roaming, no physical SIM.

[MerrSIM — eSIM Greece](https://merrsim.com/destinations/esim-plans-for-greece)

## Activation in a few minutes

Do the install before departure, while on WiFi. Open your phone settings, choose to add an eSIM and scan the QR code you received by email. Label the profile “Greece” so it is easy to spot. When you land, set the eSIM as your data line and switch on data roaming for it — that is normal for travel eSIMs and adds no fees, because the plan is prepaid. Within seconds you are online, with no need to hunt for public WiFi.

## Common mistakes to avoid

Three mistakes often spoil the start of a trip. First: buying the eSIM at the last minute at the airport, when you have no WiFi to install it — do it at home. Second: forgetting to switch on data roaming for the eSIM line, which makes it look like it is not working. Third: leaving mobile data on your home SIM, which racks up roaming charges. Check these three and your connection in Greece will be trouble-free.

## No registration, no shop queue

Many EU countries require identity verification for local SIM cards, which means a queue, a shop and sometimes even a local address. A travel eSIM skips all of that: it is sold as an international data service, with no passport and no contract. You have it ready before you set off for Greece, so you land and are online immediately — no time wasted at the airport and no risk of surprise roaming bills.

## Does your phone support eSIM?

Before you buy, check two things. First, the phone must be eSIM-compatible: iPhone XR/XS and newer, Samsung Galaxy S20 and newer, Google Pixel 3 and newer, and many recent Motorola, Huawei and Oppo models. Second, it must be carrier-unlocked. You can verify by dialling *#06# — if an EID number appears, your phone supports eSIM. This saves you any surprises when you arrive in Greece.

## eSIM versus roaming

Roaming with your home carrier can be expensive outside bundles — sometimes several euros per gigabyte, with bills that land after the trip. A local eSIM turns that into a fixed price you know up front: you pay in advance, you know exactly how many GB you have, and there are no hidden fees. For a trip to Greece, that means peace of mind and often a real saving compared with leaving roaming switched on unchecked.

## FAQ

### How do I stay online in Greece?
Get a MerrSIM eSIM for Greece from €1.49 (10 GB €8.49), activate by QR before departure and connect automatically.


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Author: Etnik Beqiri  
Published: 2026-05-29  
Source: https://merrsim.com/en/blog/itinerar-7-dite-greece-en