Esteghlal F.C. is a professional football club based in Tehran, Iran. Founded in 1945, the club is one of the oldest and most successful teams in Iranian football history. Esteghlal has won numerous national championships and is known for its passionate fan base. The team's colors are blue and white, and they play their home matches at the Azadi Stadium, which has a large capacity. Esteghlal competes in the Persian Gulf Pro League and has a strong rivalry with Persepolis F.C., known as the Tehran Derby, which is one of the most significant matches in Iranian football.