Ekstraklasa - Wikiwand
Ekstraklasa, officially known as PKO Bank Polski Ekstraklasa due to its sponsorship by PKO Bank Polski, is a professional association football league in Poland ...
www.wikiwand.comEkstraklasa SA as a company administers 18 clubs; the season spans July to May season. double round-robin format, occasionally divides into championship and relegation groups depending on the season design. The owners include all 18 clubs and the PZPN. Branding e.g., PKO Ekstraklasa.