Jelsa is a town in Croatia, on the island of Hvar, the seat of the eponymous municipality within the county of Split-Dalmatia. The mun…Jelsa is a town in Croatia, on the island of Hvar, the seat of the eponymous municipality within the county of Split-Dalmatia. The municipality of Jelsa covers an area of 121.2 km² from the north coast to the south coast of Hvar.