Province	Milne Bay
Area	101 km²
Population	1,890
Population Density	19 inhabitants per km²
Elevation	377 m
Municipality Code	2132555
Coordinates	♁10° 33′ S, 150° 48′ O
Latitude	-10.55
Longitude	150.8

Sideia is located in Milne Bay. The population is 1,890 on an area of 101 km². The first table summarizes the key location data, followed by the map, districts, neighboring locations, and further links to Province and Municipality.