Pl
In short
Pl is the ISO 3166-1 alpha-2 country code used to represent Poland in international standards.
In plain words
It is a two-letter shorthand for Poland. You will often see it in web addresses or shipping labels to show a location is in Poland.
A simple example
A website ending in .pl tells you the site is based in or focused on Poland. It is like using a quick nickname for the country.
Why it matters
Standardised codes help computers and postal services sort data correctly across borders. Without these codes, international shipping and digital routing would be much slower.
Easy to mix up
Do not confuse it with 'PL' used as an abbreviation for 'place' or 'pounds' in certain contexts.