# Brussels city guide: the capital of Belgium

> Brussels blends history and modern life. Here’s what to see, where to stay and how to get around the capital of Belgium.

Brussels blends history and modern life. Here’s what to see, where to stay and how to get around the capital of Belgium.

## Highlights

- Grand-Place
- Atomium
- Bruges canals
- Gravensteen
- Antwerp Cathedral

## Stay online while you explore

For maps, bookings, translation and Instagram photos, a MerrSIM eSIM for Belgium (from €1.49, 10 GB €8.99) keeps you online from the start — no roaming, no physical SIM.

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

## How an eSIM works

An eSIM is a digital SIM built into your phone: there is no physical card to insert. You buy it online, get a QR code by email and scan it in your settings. Once installed, the profile lives on your phone and activates when you reach Belgium, connecting automatically to a local partner network. You can keep your main SIM at the same time, so your number still gets calls and texts while the eSIM handles data.

## 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 Belgium, that means peace of mind and often a real saving compared with leaving roaming switched on unchecked.

## Coverage and 5G speed in Belgium

The eSIM connects to the main local operators, so you get the same coverage as a local, including 4G/LTE and 5G where available. In the cities and tourist areas of Belgium the signal is strong and stable; in very remote villages or mountains it can weaken, as with any operator. Hotspot is included, so you can share the connection with your laptop or a travel companion at no extra cost.

## 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 Belgium will be trouble-free.

## How much data you really need

For normal use — maps, messaging, social media and the odd video — budget about 300–700 MB a day. A light traveller is fine with 3–5 GB for a week, while anyone doing video calls, streaming or laptop hotspot will want 10–20 GB. In Belgium, download offline maps and use hotel WiFi for big downloads; that way a 10 GB plan comfortably lasts two weeks. If you run out, you buy a new plan in the app with no waiting.

## FAQ

### How do I stay online in Belgium?
Get a MerrSIM eSIM for Belgium from €1.49 (10 GB €8.99), 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/udhezues-qyteti-belgium-en