The surroundings of Split is very interesting and diverse so you may have interesting one-day trips exploring adjacent historical towns or natural beauties. Among six Croatian sights inscribed on UNESCO list, three are situated within 60 kilometers (Diocletian's palace, old town of Trogir and St Jacob's cathedral in Sibenik)!
Just 4 kilometers far from Split is town of Solin (ancient Salona - capital of Roman province Dalmatia with 60000 inhabitants at that time). You may see excavations and well preserved monuments.
Hardly 30 kilometers distant from Split there is another UNESCO inscribed and protected historical town - Trogir, with its numerous monuments! www.trogir-online.com/eng/culture.asp
If you take the highway just within 50 minutes you will reach the town of Sibenik and it 's cultural and historical sites (St Jacob's cathedral under UNESCO protection, fortresses St Ana and St Nicola etc).
Adjacent to Sibenik there are picturesque summer resorts Vodice, Primosten and Rogoznica. In addition, near Sibenik, there is one of the most beautiful Croatian National park - "N.P. Krka" with wide famous waterfalls on river Krka. www.npkrka.hr
20 km from Split , on the mouth of river Cetina there is old town of Omis http://www.tz-omis.hr/
If your spirit is adventurous than you should enjoy unforgettable experience of rafting, tracking, canoeing or fly fishing on the river Cetina.
Tourist center - town Makarska is situated 60 kilometers from Split . http://www.makarska-info.hr/
Mountain and Park of Nature "Biokovo" (1762m) with its breathtaking landscapes is just close to Makarska. http://www.biokovo.com
You may also make one-day trip to the island of Hvar and see old town of Hvar and its monuments (egg. the oldest theatre in Europe)... http://www.tzhvar.hr
You have only 220 km distance to Dubrovnik, the pearl of the Mediteranean, or about 3,5 hours of driving. If you have an opportunity, don’t miss to visit this historical and cultural treasure.
World famous pilgrims' destination - Medjugorje (Bosnia and Herzegovina) is just two hours by car far from Split . www.medjugorje.hr You should take advantage of vicinity of town of Mostar and see world famous old Mostar Bridge (under UNESCO protection since December 2005!).