You can apply for many different tours in Ljubljana. Most of them are organized by TIC (Tourist information center). You can choose among the wide range of walking tours, boat cruises along the Ljubljanica river and even the hot air balloon ride including a panoramic sightseeing flight over Ljubljana and its surrounding areas. This unique adventure for sure you will remember for a long time. Popular is also The Ljubljana free tour.
Because of its central position you can use Ljubljana for your perfect base for exploring the rest parts of Slovenia. Take into consideration that by car you need not more than 1 ½ hours to reach the border in all directions. Slovenia is such a varied and diverse country that it is worth spending some time getting to know it. In the morning you can climb in Alps, in the afternoon enjoying the beach on the Adriatic sea coastline and have dinner somewhere in Panonian lowland.