View of Dubrovnik, Croatia from above on a bright, spring morning. The city of Dubrovnik, known throughout the ages as Ragusa, is on the Dalmatian Coast of Croatia. Founded in the 13th century, the city was an important Mediterranean sea power for centuries. The Old Town is encircled by a high stone wall with many defensive and lookout towers. Dubrovnik is a well-preserved example of a late-medieval walled city and the Old Town is a UNESCO World Heritage Site. Prints available. Click image for a larger preview.