Location map of Riau Islands, Indonesia
Geographic Coordinate System WGS 1984 (EPSG: 4326)
Equirectangular Projection
Geographic limits of the map:

N: 5.5523489° N
S: 2.0529478° S
W: 102.4219543° E
E: 110.027251° E
Map data from http://tanahair.indonesia.go.id
Own work
Mandamaruta