Regional Statistics
Popular Cities in Poland
You may also be interested in
Contact Information for Żory
Updated 52 days ago
Top tools
PESEL Number Checker
Enter a PESEL number to extract the birth date, gender, and verify the check digit. Works as both a PESEL checker and validator.
PESEL Generator
Generate valid random PESEL numbers with correct checksums. Pick birth date and gender, get a properly encoded Polish ID number instantly.
NIP Checker
Verify any Polish NIP (VAT/tax ID) number with an instant checksum check and tax office prefix decode.
Top articles
NIP Number in Poland: How to Find, Check, and Validate It
What is a NIP number in Poland? Learn how to find your own NIP, check a company's tax ID, and validate any Polish NIP online.
7 min readWhat Is a Mikrorachunek? Poland's Individual Tax Payment Account Explained
A mikrorachunek is your personal tax payment account in Poland. Learn how the 26-digit number works, which taxes it covers, and how to verify one.
8 min readHow to Pay a PIT Underpayment in Poland
Owe money after filing your PIT in Poland? Learn how to pay a niedopłata step by step, including deadlines, transfer details, and late payment interest.
8 min readLet's build Poland.gg together
Join our Discord community. Get early access, shape the roadmap, and connect with data people across Poland.
Dashboard and business tools go public in 2027 — early supporters access them first and keep their discount on everything.
Get up to 90% off — forever
The longer you stay, the less you pay. 9% off per month, stacking up to 90%. The 100 longest supporters get free access for life.
© 2026 Poland.gg