| BTOF | Bydgoszcz-Toruń Functional Area |
| CF | Cohesion Fund |
| CIT | Corporate income tax |
| CLLD | Community Led Local Development |
| CMM | Communauté Métropolitaine of Montreal (Canada) |
| DPCC | Development Policy Co-ordination Committee |
| EAFRD | European Agricultural Fund for Rural Development |
| EAFRD | European Agricultural Fund for Rural Development |
| EMFF | European Maritime and Fisheries Fund |
| ERDF | European Regional Development Fund |
| ESF | European Social Fund |
| ESF+ | European Social Fund Plus |
| ESIF | European Structural and Investment Funds |
| EU | European Union |
| FUA | Functional Urban Area |
| GDP | Gross Domestic Product |
| GGSMA | Gdańsk-Gdynia-Sopot Metropolitan Association |
| IITs | Other Territorial Instruments |
| ITA | Integrated Territorial Agreements |
| ITI | Integrated Territorial Investment |
| JCGaLG | Joint Commission of Central Government and Local Government |
| JOF | Jelenia Góra Functional Area |
| LAG | Local Action Group |
| LAU | Local administrative units |
| LDS | Local Development Strategies |
| LDSPA | Territorial and local development strategies |
| LEADER | Liaison entre actions de développement de l'économie rurale (Links between actions for the development of the rural economy) |
| LGC | Local Government Contract |
| LGOM | Legnica-Głogów Functional Area |
| LMA | Lublin Metropolitan Area |
| LSGU | Local Self-Government Unit |
| NGEU | Next Generation EU |
| NGO | Non-governmental organisation |
| NRDS | National Strategy for Regional Development 2030 |
| NSRD | National Strategy of Regional Development |
| NUP | National Urban Policy |
| OECD | Organisation for Economic Co-operation and Development |
| PA | Partnership Agreement |
| PIT | Personal income tax |
| PO | Policy Objective |
| PPP | Public-Private Partnerships |
| RDS | Regional development strategies |
| ROP | Regional Operational Programme |
| RP | Regional Programme |
| RRDA | Rzeszow Regional Development Agency |
| RTI | Regional Territorial Investment |
| SER | Regional development strategy |
| SMEs | Small and medium-sized enterprises |
| SRD | Strategy for Responsible Development |
| SSRDAF | Strategy for Sustainable Rural Development, Agriculture and Fisheries 2030 |
| STI | Strategic Territorial Investment |
| SUMP | Sustainable Spatial Mobility Plan for the Wrocław Agglomeration |
| TERYT | National Official Register of the Territorial Division of the Country |
| TL2 | Territorial Level 2 regions |
| USD | United States Dollar |
| WOF | Wałbrzych Functional Area |
| WrOF | Wrocław Functional Area |