Ekstraklasa
In short
The top-tier professional football league in Poland. It sits at the highest level of the Polish football league system.
In plain words
It is the main football competition in Poland. The best clubs in the country play against each other here to win the national title.
A simple example
A match between famous Polish clubs like Legia Warsaw and Lech Poznań takes place within this league.
Why it matters
It determines which Polish teams qualify for major European competitions. It is also the primary way for local players to gain professional recognition.
Easy to mix up
Do not confuse it with the Ekstraklasa in other countries, such as the top flight in Czechia.