Corporate tax rates differ from country to country. There are several resources online that list the countries around the world with the highest and lowest corporate tax rates. When looking at where to locate themselves, international businesses pay a lot of attention to the tax rates in different countries. You should consider doing the same.
If you are wondering about which countries you will have to pay tax to, it depends on how you make money and where your business is officially based. Your accountant is a good place to start for specific information.