I believe the best countries for you to advertise in would be the ones you are somewhat familiar with. For example, if you wanted to advertise to people in Italy, you should know something about the culture and language otherwise your advertising may not be interesting or understandable. Instead, ask yourself which countries you could advertise to right now and which countries you should learn a little more about before advertising to them.
This should not limit you either, learning about different countries and their cultures is a great way to expand your marketing business.
I believe the best countries for you to advertise in would be the ones you are somewhat familiar with. For example, if you wanted to advertise to people in Italy, you should know something about the culture and language otherwise your advertising may not be interesting or understandable. Instead, ask yourself which countries you could advertise to right now and which countries you should learn a little more about before advertising to them.
This should not limit you either, learning about ...more