In what countries is it easy to find retailers and other service providers that are set up to receive Bitcoin for payment? I would recommend a small, but a modern EU country Lithuania, yes I am from here, but that is not a main reason.
We have a blockchain centre in a capital city Vilnius, exchange places for cryptocurrencies, people who are really good in the blockchain market. Our business companies and a government support ideas of modern tendencies. Also we have competitive ICO projects in a world market and great IT specialists!