Question for photographers in Europe?

I am looking for a good quality, reasonable place to get posters, calendars, and 8x11 or larger prints done, saleable quality. I am in Ljubljana, but printing here can be pricey.Any suggestions, like Hungary, Czech, Poland, Italy, or how about getting them done overseas and shipped? Would the cost of shipping offest the savings? I would go to Croatia, Bosnia, Serbia, etc, but do not know how the Schengen agreement affects bringing commercial supplies or products across the borders. thanks!