Tromostovje refers to three bridges across the Ljubljanica River that link the historical part of the city and the modern city of Ljubljana. This unique concept was proposed by the famous Slovenian architect Joze Plecnik and it soon became a natural starting point of all sightseeing tours.
Wikipedia https://en.wikipedia.org/wiki/Triple_Bridge
Wikipedia https://sl.wikipedia.org/wiki/Delo_Jo%C5%BEeta_Ple%C4%8Dnika#Tromostovje_v_Ljubljani
Wikipedia https://sl.wikipedia.org/wiki/Tromostovje
Address Tromostovje, Ljubljana 1000, Slovenia
Coordinates 46°3'3.986" N 14°30'22.423" E