Hmm a couple of thoughts here:
With a budget that small (€4/day) you're much better off targeting specific cities. If you target the whole of Greece, you're asking the algorithm to find customers in a massive audience with almost no money. It'll spread your budget so thin that it'll never gather enough data in one area to learn properly. You'll almost certainly get stuck in 'Learning Limited' and just waste cash.
The algorithm needs a concentrated pool of people to work with, especially on a new account. I'd pick your top 1-3 cities where you think your ideal customers are. Maybe Athens, Thessaloniki, etc. Create one campaign and target just those locations.
This way you're forcing the algorithm to spend your €4 in a much denser area. It'll get feedback and data much quicker and have a far better chance of finding you some conversions. Once you see one city working better than the others, you can think about putting more budget towards it or testing a new one. But you have to start narrow, there is no other way on that budget.
Hope that helps!
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Definitely target specific cities. Your budget is too small for the whole country.
With €4 a day, targeting all of Greece will spread your spend too thin for the algorithm to learn anything useful. Focus all your budget on 1-3 main cities where your customers are likely to be. This gives you a much better chance of getting results.
Hope this helps!
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Some thoughts:
You should definitely go with specific cities. A €4 daily budget is nowhere near enough to effectively target an entire country. You'll find the ad delivery is patchy and the algorithm will really struggle to get enough data to optimise, meaning you'll be stuck in the learning phase forever and likely see poor results.
I'd say you're better off identifying the top 2-3 cities where your target audience lives. Put all your budget into a single campaign targeting just those cities. This gives the algorithm a smaller, more focused audience to work with, which will help it learn faster and find the right people for you. You can always expand to other cities later once you've got some good data and found a winning location.
Hope that helps
