Search for a Dataset - the Datahub

Add Dataset Import Data Package

Poland - Poczta Polska - Postcodes

About Postcodes for Poland. Access No bulk download. Access via search interface. Openness No legal information.
Poland - Ministry of Finance - Budget

About Ministry of Finance. Variety of material. Not clear where information related to budget is. Some financial and economic data in XLS and PDF is available at:...

You can also access this registry using the API (see API Docs).