The center property specifies where to center the map. Create a LatLng object to center the map on a specific point. Pass the coordinates in the order: latitude, longitude.
The zoom property specifies the zoom level for the map. zoom: 0 shows a map of the Earth fully zoomed out. Higher zoom levels zoom in at a higher resolution.
The mapTypeId property specifies the map type to display. The following map types are supported:
ROADMAP (normal, default 2D map)
SATELLITE (photographic map)
HYBRID (photographic map + roads and city names)
TERRAIN (map with mountains, rivers, etc.)