The 29-year-old is one of the Gunners' senior squad members and has spoken of the affection that he holds for Arsenal, revealing his confidence has rocketed while in north London.
"It has been magic. I’ve enjoyed a lot playing for Arsenal and I still love it," Sagna told the club's official website.
"Every time I go to the pitch, I just give 100 per cent for the team.
"[The club] is like my family. My personal family is in France but I feel at home here, I feel happy to come training and I feel relaxed.
"There are not many big clubs where you feel that confident. I think I have progressed a lot - that was my target, to come to such a big club and improve.
"I am very calm compared to when I came, I used to be a bit stressed before games but now I am totally relaxed because of my team-mates and the manager."
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Sagna, who is rated among the league's best full-backs, admitted that moving to England was initially daunting due to the language barrier, and he was initially scared that a deal would fall through.
He added: "I was a bit nervous because my English was [very basic], I was leaving my family and friends and it was a new life for me.
"The first day was long. I had a lot of tests and I just had to wait for the FA to approve my contract. For one week I was scared something would happen.
"They finally [approved it] and I first started here at Emirates Stadium against Fulham. We won the game in the last 10 minutes, so it was just magic."