I know it means Reformed Church and doesn't contain all French Protestant denominations, but is a collection of a few (several reformed churches as well as methodists (not Calvinist) joined together to form it). There are several of the other large denominations but individual congregations are few and far between (e.g. 31 Protestant Churches in Brittany (
Bretagne), 24 if you don't include the ERF (the largest)). 31 Protestant congregations in an area the size of South Carolina. 12 of the 22 Protestant denominations have no congregation there. Protestants have come together in the Fédération Protestant de France as a unified Protestant body (with some differences amongst denominations) much more than in GB/USA. If you don't want to be Roman Catholic, your options are much more limited, so there is more of a feeling of Protestant than is common in other countries. That was what I was trying to say, not deny the existence of different Protestant denominations.