Cirebon is a port city on the north coast of the Indonesian island of Java. It is located in the province of West Java near the provincial border with Central Java, approximately 297 km (185 mi) east of Jakarta, at 6°43′S 108°34′E. It had a population of 296,389 at the 2010 Census and 307,319 at the 2015 Census; the latest official estimate (as at mid 2020) is 322,322.

Jambi is a province of Indonesia. It is located on the east coast of central Sumatra and spans to the Barisan Mountains in the west. Its capital and largest city is Jambi. The province has a land area of 50,160.05 km2, and a sea area of 3,274.95 km2. It had a population of 3,092,265 according to the 2010 Census and 3,397,164 according to the 2015 Census. The latest estimate (for mid 2019) is 3,566,197.