Why go
The Old Town is more than a preserved shell. Its gates controlled entry, its harbour sustained trade, and its palaces housed the institutions of the Republic of Ragusa. Knowing that relationship gives the buildings along Stradun and around Luža Square a purpose beyond their façades. The 1667 earthquake and later changes also explain why different architectural periods sit so close together.
The full story
Dubrovnik grew into a maritime trading city on the Adriatic. Accounts of its earliest settlement differ, so the surviving streets are a better starting point than a single origin story. By the later Middle Ages the city had developed a compact urban core, a defended harbour and institutions capable of managing trade across political borders. The Republic of Ragusa enjoyed a long period of self-government. Its merchants depended on access to both Mediterranean and inland markets, while its rulers used diplomacy as carefully as fortifications. The Rector’s Palace recalls civic authority; nearby Sponza Palace speaks to commerce. Public works made that independence tangible too. Onofrio’s fifteenth-century water system supplied fountains that still help mark the route through the Old Town. A severe earthquake in 1667 damaged much of the city and helped reshape its appearance. Baroque rebuilding stands alongside older Gothic and Renaissance fabric. The republic ended in the Napoleonic era, and Dubrovnik later passed through Austrian and Yugoslav rule before becoming part of independent Croatia. Look for those changes in the buildings rather than expecting one intact medieval moment.