Ranked by vineyard area, based on 2016 data from:
Anderson, K. and S. Nelgen, Database of Regional, National and Global Winegrape Bearing Areas by Variety, 1960 to 2016, Wine Economics Research Centre, University of Adelaide, September 2020 (slightly revised May 2021).
Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.