• 25 January - Brdo pri Kranju - The govt and OECD will organise a two-day conference on Slovenia's ageing population
  • 30 January - Ljubljana - Slovenia will host the European Footsal Championships; until 11 February
  • 30 January - Ljubljana - Ljubljana will host UEFA Futsal EURO 2018 championships until 10 February at Stožice Arena
  • 2 February - Maribor - Slovenia will take on Poland in the first round of the Davis Cup; until 4 February
  • 7 February - Ljubljana - On the eve of Culture Day, the top national awards for arts and culture, the Prešeren Prizes, will be given out
  • 12 February - Ljubljana - Police officers and Interior Ministry employees are expected to start striking
  • 14 February - Ljubljana - Slovenian teachers to go on strike over pay rise
  • 22 February - Ljubljana - German electronic music band Kraftwerk will stage a concert at Tivoli Hall
  • 28 February - Ljubljana - The Statistics Office will release preliminary estimates of Slovenia's GDP growth in the final quarter of 2017
  • 3 March - Kranjska Gora - World Cup slalom and giant slalom races for men will be held in Krajnska Gora this weekend
  • 22 March - Planica - The Ski Jumping World Cup finals will start in Planica; to run until 25 March
  • 27 March - Kranj - The Week of Slovenian Drama will get under way at Prešeren Theatre in Kranj
  • 1 April - Ljubljana - E-tolling for lorries will be lanuched on Slovenian motorways
  • 18 May - Ljubljana - A tree-day observation of World Bee Day will start with an international conference on honey bees
  • 18 May - Ljubljana - Spanish singer-songwriter Enrique Iglesias will hold a concert at Ljubljana's Stožice
  • 19 May - Brdo pri Kranju - Slovenia will host an international ministerial on protection of bees, featuring UN, EU and other senior officials
  • 20 May - Žirovnica - The first World Bee Day, which the UN declared at Slovenia's initiative, will be celebrated with high-level international ceremony
  • 13 June - Ljubljana - The Tour of Slovenia, the biggest bicycle race in the country will be held until 17 June
  • 20 June - Ljubljana - The National Gallery is to launch an exhibition of Slovenian painter Ivana Kobilca (1861-1926)
  • 6 August - Portorož - The Slovenia Open, a challenger-rank tennis tournament, will be held until Saturday
  • 10 September - Bled - The Bled Strategic Forum (BSF), Slovenia's pre-eminent foreign policy event, will get under way
  • 23 September - Portorož - The Ironman Triathlon will be held in Portorož, the first time Slovenia hosts the prestigious event
  • 28 October - Ljubljana - The 23rd Ljubljana Marathon will be held
  • 18 November - Ljubljana - Local elections are expected to be held in Slovenia
  • 2 December - Ljubljana - The second round of local elections is expected to be held
  • 3 December - Pokljuka - Pokljuka will host several Biathlon World Cup events this week
  • 11 December - Ljubljana - Slovenia will mark a centenary since the death of Ivan Cankar, one of the giants of Slovenian literature
  • 17 August 2019 - Murska Sobota - The centenary of the reunification of Slovenians from the Prekmurje region will be marked
  • 1 July 2021 - Brussels - Slovenia is to take over six-month rotating EU presidency
  • 17 July 2021 - Ljubljana - Slovenia will host prestigious international festival Europa Cantat, the largest choir event in Europe, held every three years