Since June last year, one of the most popular topics for queries has been how expats and people who own property in EU countries might be affected by Brexit.

Now, that Article 50 has been triggered, here's everything we know so far about the position for expats.

How many British expats are there in the EU?

Just over 4.5 million Britons live abroad, with approximately 1.3 million of them in Europe, according to the United Nations.

Which countries do they live in?

The top destinations for British expats in the EU are Spain (host to around 319,000), Ireland (249,000) and France (171,000). Expats were able to vote in the EU Referendum (as long as they hadn't lived abroad for more than 15 years).