What is the relationship between Areva and Courbevoie in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Thomson Reuters A view shows the Areva Tower, the headquarters of the French nuclear reactor maker Areva, at La Defense business and financial district in Courbevoie near Paris

Answer: headquarters_location