The polished limestone spine of the old town. Have it to yourself at dawn.
The Stradun (Placa) is Dubrovnik's main street, a broad, limestone-paved promenade worn mirror-smooth, running the length of the walled old town between two grand gates. It's the stage the whole city performs on.
Yes, but at dawn or after dark; by day it's a cruise-crowd conveyor belt.
Yes โ it's free to enter.
Walk it at dawn or after 8pm, when the cruise crowds have gone and the stone glows underfoot; midday it's a slow river of day-trippers.