| CGET | Commissariat général à l’Égalité des territoires |
| COVID-19 | Coronavirus disease 2019 |
| DEGURBA | Degree of urbanisation |
| DG REGIO | Directorate-General for Regional and Urban Policy at the European Commission |
| EASAC | European Academies Science Advisory Council |
| EC JRC | European Commission Joint Research Centre |
| ESPON | European Spatial Planning Observation Network |
| EU | European Union |
| EU-27 | All current members of the European Union, namely Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, the Slovak Republic, Slovenia, Spain, Sweden. |
| FUA | Functional urban area |
| GDP | Gross domestic product |
| GISCO | Geographic Information System of the European Commission |
| HEI | Higher Education Institution |
| INSEE | The National Institute of Statistics and Economic Studies (France) |
| ISCED | International Standard Classification of Education |
| KIBS | Knowledge intensive business services |
| MUNIFI | Municipal Fiscal Data |
| NACE | Statistical Classification of Economic Activities in the European Community |
| NO2 | Nitrogen Dioxide |
| ONS | Office for National Statistics |
| PPP | Public-Private Partnership |
| UCLG | United Cities and Local Governments |
Unlocking the Potential of Intermediary Cities for Regional Development
