| 01/01 | Hungarian six-month presidency of the Council of the EU (until 30/06/2011) |
| Tallinn: - Estonia becomes the seventeenth member of the eurozone | |
| 06/01 | Hungary: - Catherine Ashton: bilateral visits |
| 07/01 | Budapest: - Meeting between the European Commission and Hungarian government |
| Brussels: - Coreper I | |
| Brussels: - Policy and Security Committee | |
| 08/01 | Budapest: - Official launch of European Volunteering Year 2011 |
| 10/01 | Brussels: - European Parliament committee meetings (also 13/01) |
| 11/01 | Brussels: - Inauguration of EU-China Youth Year 2011 |
| Brussels: - Policy and Security Committee | |
| 12/01 | Brussels: - European Commission: annual growth stocktake |
| Brussels: - Coreper II, Coreper I | |
| 13/01 | Budapest and Gödöllö: - General Affairs Council (also 14/01) |
| Luxembourg: - Court of Justice: Ruling C-92/10 P Media-Saturn/OHIM (intellectual property) | |
| 16/01 | Budapest and Gödöllö: - EPSCO Council (employment) (until 18/01) |
| 17/01 | Strasbourg: - European Parliament plenary session (until 20/01) |
| Brussels: - Meeting of Eurogroup | |
| 18/01 | Brussels: - ECOFIN Council |
| Strasbourg: - Meeting of the European Commission | |
| 19/01 | Budapest and Gödöllö: - Justice and Home Affairs Council (until 21/01) |
| Brussels: - Coreper I | |
| 20/01 | Brussels: - Coreper II |
| Luxembourg: - Court of Justice: Ruling C-90/09 P General Quimica et al/Commission (competition); and Ruling C-155/09 Commission/Greece (free circulation of individuals) | |
| 24/01 | Brussels: - Agriculture and Fisheries Council |
| Brussels: - European Parliament committee meetings (until 27/01) | |
| 26/01 | Brussels: - Regional and local authorities in action during the European Year of Volunteering 2011 (Committee of the Regions forum in cooperation with European Commission, DG Communication) |
| Brussels: - Coreper I, Coreper II (also 27) | |
| 27/01 | Brussels: - Committee of the Regions plenary session (also 28/01) |
| 29/01 | Agadir/Morocco - Euro-Med Regional and Local Assembly (ARLEM): plenary session |
| 31/01 | Brussels: - General Affairs Council (GAC) - Foreign Affairs Council (FAC) |