“…Various economists and regional planners have conducted studies of islands, cities, island cities, and the optimal economic size of cities. Theoretical concepts and empirical findings have been produced through several studies, such as Arif, Machdar, Azmeri, and Achmad (2019), Batty (2013), Burnett (2016), Cheng and Ma (2017), Frick and Rodríguez-Pose (2016), Grydehoj et al (2015), Imelda, Yunisvita, Soebyakto, and Apriani (2020), Maulana and Benita (2017), Motak (2016), Sjafrizal, Suhairi, Winarno, abd Wau (2016), Tustt (2014), andUNEP (2014).…”