The main Zagreb Stock Exchange (ZSE) indices - the Crobex and the Crobex10 - on Monday fell by 0.51% to 1,566 points and by 0.32% to 987 points respectively.
The Crobex registered its lowest level since mid-May.
Both indices have fallen over the past three weeks, and last week the Crobex contracted by 1.6%, which was its biggest weekly decline since June.
Regular turnover amounted to HRK 4.24 million or about HRK 400,000 less than on the last trading day last week on Friday.
(€1 = HRK 7.568318)