Supetar is a town on the northern side of the Dalmatian island of Brač, in the Split-Dalmatia County, in Croatia. It became the island's official centre in 1827. The Town of Supetar includes Supetar itself and the three villages: Splitska, Škrip and Mirca.
With a population of 3,213, it is the island's largest town. It is accessible by ferry or via Brač Airport which is located 30 kilometres to the southeast.
Wikipedia https://en.wikipedia.org/wiki/Supetar
Coordinates 43°22'57.297" N 16°33'11.561" E