Original sentence: The boundary of the eastern Languedoc with the Southern Rhône Valley is disputed with both regions claiming the Costières de Nîmes AOC as their own.This region produces Syrah and Grenache base wines resembling Côtes du Rhône wines more than others in the Languedoc
Edited sentence: ; many prominent wine writers ignore this fact, and continue to  classify the Costières de Nîmers withing  the Langedoc, thus leading to  confusion.Costières de Nîmes AOC, formerly a Langedoc wine was attached to the Rhône wine region at the request of their syndicate in 1989 as their wines much more closely represent the typicity of wine of the Rhône than those of the political region of the Languedoc to which their geographical area belongs.Many non  official websites also refer to it as a Langedoc wine due to their authors citing their sources from such publications