The capitals are:

1. Tonga: Nuku’Alofa
2. Albania: Tirane
3. Latvia: Riga
4. Argentina: Buenos Aires
5. Ireland: Dublin

0 out of 5 – you need to get out more!

1-3 – not bad

4 – very good! You are a Globetrotter!

5 – are you sure you didn’t sneak a look?