Stadion Z'dežele is a football stadium in Celje, Slovenia. It has been the home ground of NK Celje since 2003. Prior July 2017, the stadium was named Arena Petrol.^[2]

At the time of its opening, Arena Petrol was the most modern football stadium in Slovenia.^[3] It took its name from its principal sponsor, the Slovenian oil company Petrol. The stadium was opened on 9 September 2003 with a single stand that could accommodate 3,600 spectators.^[1] In the following years, three additional stands were built until the stadium was completed in 2008 with a capacity of 13,059 seats, of which 7,000 are covered.^[1] The stadium pitch is 105 metres long and 68 metres wide and covered with natural grass. The stadium also features a pitch heating system and floodlighting.^[1]

In 2004, the stadium replaced the Bežigrad Stadium as the venue for all competitive home matches of the Slovenia national football team. In 2003, it replaced the former NK Celje stadium, Skalna Klet, which is now used as a training facility.

• Main stand (3,600 seats)^[1]
• West stand (4,850 seats)^[1]
• North stand (3,000 seats)^[1]
• South stand (1,500 seats)^[1]

• List of football stadiums in Slovenia