“…According to Papić-Blagojević et al (2016), and Vujko et al (2018), seasonality is one of the main aspects affecting tourism, and forecasts of tourist arrivals are essential for planning (Brougham & Butler, 1981), policy making (Dogan, 1989;Canizares et al, 2016) and budgeting purposes by tourism operators (Choi & Murray, 2010;Deng et al, 2011;Gounopoulos et al, 2012). Ada Ciganlija is a river island on Sava River and popular swimming area for residents of Belgrade during the summer, but it attracts a significant number of visitors off summer season, so, as such, it represents one of the favorite zones of picnic-recreational tourism within the city of Belgrade.…”