PZLA or Polski Zwiazek Lekkiej Atletyki
The PZLA is the Polish Association of Athletics. Information about that association is here.
The PZLA is the Polish Association of Athletics. It is a member of the European Athletics Federation.
PZLA is located at Ul. Kopernika 30, 00-336 Warsaw, Poland
PZLA maintains a website but that website is in Polish only.
It is, however, if you can read Polish, quite informative. It contains updated news articles related to sports in Poland. Additionally there is a calendar of sports events that you will find very useful.
Here is the link to their website. PZLA