What areas in europe remained catholic and what areas became protestant?

After the emergence of Protestantism as a separate branch of the Christianity, the Catholic church lost lots of its followers to it.

The countries that became predominantly Protestant are: Denmark, Sweden, Norway, Iceland, Finland, Estonia, Latvia, the United Kingdom, and big portions of Germany and Switzerland, so regionally speaking, it occupies Scandinavia, half of the Baltic, the eastern part of Western Europe and most of the British Isles.

Catholicism remained dominant in France, Spain, Portugal, Italy, Austria, Belgium, Hungary, Poland, Lithuania, Croatia, Slovenia, parts of Germany, Ukraine, and Belarus, as well as the smallest countries on the continent, so regionally it will come that the Catholicism is dominant in the western part of the Mediterranean, western part of Western Europe, and most of central Europe.