I will be in paris on 12th till 15th sep .  On 16 September, travel from Paris to Lucerne and visit Mount Titlis before spending the night in Lucerne. On 17 September, travel to Interlaken, explore the beautiful Lauterbrunnen Valley and waterfalls, and spend the night in Interlaken. On 18 September, visit Grindelwald in the morning, then travel to Saanen to see the famous DDLJ (Dilwale Dulhania Le Jayenge) locations, before returning to Interlaken . On 19 September, leave Interlaken and travel to Italy. From 20 to 25 September, explore Italy and enjoy the major sights, cities, food and culture before your return journey.